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Commit | Line | Data |
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0824d6fc | 1 | /* |
80cabfad | 2 | * QEMU System Emulator |
5fafdf24 | 3 | * |
68d0f70e | 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
5fafdf24 | 5 | * |
1df912cf FB |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
0824d6fc | 23 | */ |
0824d6fc | 24 | #include <unistd.h> |
0824d6fc FB |
25 | #include <fcntl.h> |
26 | #include <signal.h> | |
27 | #include <time.h> | |
0824d6fc | 28 | #include <errno.h> |
67b915a5 | 29 | #include <sys/time.h> |
c88676f8 | 30 | #include <zlib.h> |
67b915a5 | 31 | |
71e72a19 | 32 | /* Needed early for CONFIG_BSD etc. */ |
d40cdb10 BS |
33 | #include "config-host.h" |
34 | ||
67b915a5 | 35 | #ifndef _WIN32 |
5cea8590 | 36 | #include <libgen.h> |
0858532e | 37 | #include <pwd.h> |
67b915a5 | 38 | #include <sys/times.h> |
f1510b2c | 39 | #include <sys/wait.h> |
67b915a5 | 40 | #include <termios.h> |
67b915a5 | 41 | #include <sys/mman.h> |
f1510b2c | 42 | #include <sys/ioctl.h> |
24646c7e | 43 | #include <sys/resource.h> |
f1510b2c | 44 | #include <sys/socket.h> |
c94c8d64 | 45 | #include <netinet/in.h> |
24646c7e | 46 | #include <net/if.h> |
24646c7e | 47 | #include <arpa/inet.h> |
9d728e8c | 48 | #include <dirent.h> |
7c9d8e07 | 49 | #include <netdb.h> |
cb4b976b | 50 | #include <sys/select.h> |
71e72a19 | 51 | #ifdef CONFIG_BSD |
7d3505c5 | 52 | #include <sys/stat.h> |
a167ba50 | 53 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
7d3505c5 | 54 | #include <libutil.h> |
24646c7e BS |
55 | #else |
56 | #include <util.h> | |
128ab2ff | 57 | #endif |
bbe813a2 | 58 | #else |
223f0d72 | 59 | #ifdef __linux__ |
7d3505c5 FB |
60 | #include <pty.h> |
61 | #include <malloc.h> | |
fd872598 | 62 | #include <linux/rtc.h> |
1889465a | 63 | #include <sys/prctl.h> |
bd494f4c TS |
64 | |
65 | /* For the benefit of older linux systems which don't supply it, | |
66 | we use a local copy of hpet.h. */ | |
67 | /* #include <linux/hpet.h> */ | |
68 | #include "hpet.h" | |
69 | ||
e57a8c0e | 70 | #include <linux/ppdev.h> |
5867c88a | 71 | #include <linux/parport.h> |
223f0d72 BS |
72 | #endif |
73 | #ifdef __sun__ | |
d5d10bc3 TS |
74 | #include <sys/stat.h> |
75 | #include <sys/ethernet.h> | |
76 | #include <sys/sockio.h> | |
d5d10bc3 TS |
77 | #include <netinet/arp.h> |
78 | #include <netinet/in.h> | |
79 | #include <netinet/in_systm.h> | |
80 | #include <netinet/ip.h> | |
81 | #include <netinet/ip_icmp.h> // must come after ip.h | |
82 | #include <netinet/udp.h> | |
83 | #include <netinet/tcp.h> | |
84 | #include <net/if.h> | |
85 | #include <syslog.h> | |
86 | #include <stropts.h> | |
8d32cf0e BS |
87 | /* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for |
88 | discussion about Solaris header problems */ | |
89 | extern int madvise(caddr_t, size_t, int); | |
67b915a5 | 90 | #endif |
7d3505c5 | 91 | #endif |
ec530c81 | 92 | #endif |
67b915a5 | 93 | |
9892fbfb BS |
94 | #if defined(__OpenBSD__) |
95 | #include <util.h> | |
96 | #endif | |
97 | ||
8a16d273 TS |
98 | #if defined(CONFIG_VDE) |
99 | #include <libvdeplug.h> | |
100 | #endif | |
101 | ||
67b915a5 | 102 | #ifdef _WIN32 |
49dc768d | 103 | #include <windows.h> |
4fddf62a | 104 | #include <mmsystem.h> |
67b915a5 FB |
105 | #endif |
106 | ||
73332e5c | 107 | #ifdef CONFIG_SDL |
59a36a2f | 108 | #if defined(__APPLE__) || defined(main) |
6693665a | 109 | #include <SDL.h> |
880fec5d | 110 | int qemu_main(int argc, char **argv, char **envp); |
111 | int main(int argc, char **argv) | |
112 | { | |
59a36a2f | 113 | return qemu_main(argc, argv, NULL); |
880fec5d | 114 | } |
115 | #undef main | |
116 | #define main qemu_main | |
96bcd4f8 | 117 | #endif |
73332e5c | 118 | #endif /* CONFIG_SDL */ |
0824d6fc | 119 | |
5b0753e0 FB |
120 | #ifdef CONFIG_COCOA |
121 | #undef main | |
122 | #define main qemu_main | |
123 | #endif /* CONFIG_COCOA */ | |
124 | ||
511d2b14 BS |
125 | #include "hw/hw.h" |
126 | #include "hw/boards.h" | |
127 | #include "hw/usb.h" | |
128 | #include "hw/pcmcia.h" | |
129 | #include "hw/pc.h" | |
130 | #include "hw/audiodev.h" | |
131 | #include "hw/isa.h" | |
132 | #include "hw/baum.h" | |
133 | #include "hw/bt.h" | |
9dd986cc | 134 | #include "hw/watchdog.h" |
b6f6e3d3 | 135 | #include "hw/smbios.h" |
e37630ca | 136 | #include "hw/xen.h" |
bd3c948d | 137 | #include "hw/qdev.h" |
45a50b16 | 138 | #include "hw/loader.h" |
5ef4efa4 | 139 | #include "bt-host.h" |
511d2b14 | 140 | #include "net.h" |
68ac40d2 | 141 | #include "net/slirp.h" |
511d2b14 BS |
142 | #include "monitor.h" |
143 | #include "console.h" | |
144 | #include "sysemu.h" | |
145 | #include "gdbstub.h" | |
146 | #include "qemu-timer.h" | |
147 | #include "qemu-char.h" | |
148 | #include "cache-utils.h" | |
149 | #include "block.h" | |
c163b5ca | 150 | #include "block_int.h" |
151 | #include "block-migration.h" | |
a718acec | 152 | #include "dma.h" |
511d2b14 BS |
153 | #include "audio/audio.h" |
154 | #include "migration.h" | |
155 | #include "kvm.h" | |
156 | #include "balloon.h" | |
d3f24367 | 157 | #include "qemu-option.h" |
7282a033 | 158 | #include "qemu-config.h" |
e78c48ec | 159 | #include "qemu-objects.h" |
511d2b14 | 160 | |
0824d6fc | 161 | #include "disas.h" |
fc01f7e7 | 162 | |
8a7ddc38 | 163 | #include "exec-all.h" |
0824d6fc | 164 | |
511d2b14 BS |
165 | #include "qemu_socket.h" |
166 | ||
d918f23e | 167 | #include "slirp/libslirp.h" |
511d2b14 | 168 | |
72cf2d4f BS |
169 | #include "qemu-queue.h" |
170 | ||
9dc63a1e BS |
171 | //#define DEBUG_NET |
172 | //#define DEBUG_SLIRP | |
330d0414 | 173 | |
1bfe856e | 174 | #define DEFAULT_RAM_SIZE 128 |
313aa567 | 175 | |
5cea8590 | 176 | static const char *data_dir; |
1192dad8 | 177 | const char *bios_name = NULL; |
e4bcb14c | 178 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available |
faea38e7 | 179 | to store the VM snapshots */ |
72cf2d4f BS |
180 | struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives); |
181 | struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts); | |
cb5a7aa8 | 182 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
3023f332 | 183 | static DisplayState *display_state; |
993fbfdb | 184 | DisplayType display_type = DT_DEFAULT; |
3d11d0eb | 185 | const char* keyboard_layout = NULL; |
c227f099 | 186 | ram_addr_t ram_size; |
c4b1fcc0 | 187 | int nb_nics; |
7c9d8e07 | 188 | NICInfo nd_table[MAX_NICS]; |
8a7ddc38 | 189 | int vm_running; |
d399f677 | 190 | int autostart; |
f6503059 AZ |
191 | static int rtc_utc = 1; |
192 | static int rtc_date_offset = -1; /* -1 means no change */ | |
6875204c | 193 | QEMUClock *rtc_clock; |
64465297 | 194 | int vga_interface_type = VGA_NONE; |
d827220b FB |
195 | #ifdef TARGET_SPARC |
196 | int graphic_width = 1024; | |
197 | int graphic_height = 768; | |
eee0b836 | 198 | int graphic_depth = 8; |
d827220b | 199 | #else |
1bfe856e FB |
200 | int graphic_width = 800; |
201 | int graphic_height = 600; | |
e9b137c2 | 202 | int graphic_depth = 15; |
eee0b836 | 203 | #endif |
dbed7e40 | 204 | static int full_screen = 0; |
634a21f6 | 205 | #ifdef CONFIG_SDL |
dbed7e40 | 206 | static int no_frame = 0; |
634a21f6 | 207 | #endif |
667accab | 208 | int no_quit = 0; |
8d11df9e | 209 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
6508fe59 | 210 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
9ede2fde | 211 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
a09db21f FB |
212 | #ifdef TARGET_I386 |
213 | int win2k_install_hack = 0; | |
73822ec8 | 214 | int rtc_td_hack = 0; |
a09db21f | 215 | #endif |
bb36d470 | 216 | int usb_enabled = 0; |
1b530a6d | 217 | int singlestep = 0; |
6a00d601 | 218 | int smp_cpus = 1; |
6be68d7e | 219 | int max_cpus = 0; |
dc6b1c09 AP |
220 | int smp_cores = 1; |
221 | int smp_threads = 1; | |
73fc9742 | 222 | const char *vnc_display; |
6515b203 | 223 | int acpi_enabled = 1; |
16b29ae1 | 224 | int no_hpet = 0; |
52ca8d6a | 225 | int fd_bootchk = 1; |
d1beab82 | 226 | int no_reboot = 0; |
b2f76161 | 227 | int no_shutdown = 0; |
9467cd46 | 228 | int cursor_hide = 1; |
a171fe39 | 229 | int graphic_rotate = 0; |
6b35e7bf | 230 | uint8_t irq0override = 1; |
b9e82a59 | 231 | #ifndef _WIN32 |
71e3ceb8 | 232 | int daemonize = 0; |
b9e82a59 | 233 | #endif |
09aaa160 | 234 | const char *watchdog; |
9ae02555 TS |
235 | const char *option_rom[MAX_OPTION_ROMS]; |
236 | int nb_option_roms; | |
8e71621f | 237 | int semihosting_enabled = 0; |
2b8f2d41 AZ |
238 | #ifdef TARGET_ARM |
239 | int old_param = 0; | |
240 | #endif | |
c35734b2 | 241 | const char *qemu_name; |
3780e197 | 242 | int alt_grab = 0; |
0ca9f8a4 | 243 | int ctrl_grab = 0; |
95efd11c | 244 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
245 | unsigned int nb_prom_envs = 0; |
246 | const char *prom_envs[MAX_PROM_ENVS]; | |
247 | #endif | |
95387491 | 248 | int boot_menu; |
0824d6fc | 249 | |
268a362c AL |
250 | int nb_numa_nodes; |
251 | uint64_t node_mem[MAX_NODES]; | |
252 | uint64_t node_cpumask[MAX_NODES]; | |
253 | ||
ee5605e5 AZ |
254 | static CPUState *cur_cpu; |
255 | static CPUState *next_cpu; | |
43b96858 | 256 | static int timer_alarm_pending = 1; |
bf20dc07 | 257 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
2e70f6ef | 258 | static int icount_time_shift; |
bf20dc07 | 259 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
2e70f6ef PB |
260 | #define MAX_ICOUNT_SHIFT 10 |
261 | /* Compensate for varying guest execution speed. */ | |
262 | static int64_t qemu_icount_bias; | |
dbed7e40 BS |
263 | static QEMUTimer *icount_rt_timer; |
264 | static QEMUTimer *icount_vm_timer; | |
9043b62d | 265 | static QEMUTimer *nographic_timer; |
ee5605e5 | 266 | |
8fcb1b90 BS |
267 | uint8_t qemu_uuid[16]; |
268 | ||
76e30d0f JK |
269 | static QEMUBootSetHandler *boot_set_handler; |
270 | static void *boot_set_opaque; | |
271 | ||
998bbd74 | 272 | static int default_serial = 1; |
6a5e8b0e | 273 | static int default_parallel = 1; |
986c5f78 | 274 | static int default_virtcon = 1; |
abdeed06 | 275 | static int default_monitor = 1; |
64465297 | 276 | static int default_vga = 1; |
aa40fc9c | 277 | static int default_drive = 1; |
998bbd74 GH |
278 | |
279 | static struct { | |
280 | const char *driver; | |
281 | int *flag; | |
282 | } default_list[] = { | |
6a5e8b0e GH |
283 | { .driver = "isa-serial", .flag = &default_serial }, |
284 | { .driver = "isa-parallel", .flag = &default_parallel }, | |
aee1b935 GH |
285 | { .driver = "virtio-console-pci", .flag = &default_virtcon }, |
286 | { .driver = "virtio-console-s390", .flag = &default_virtcon }, | |
64465297 GH |
287 | { .driver = "VGA", .flag = &default_vga }, |
288 | { .driver = "Cirrus VGA", .flag = &default_vga }, | |
289 | { .driver = "QEMUware SVGA", .flag = &default_vga }, | |
998bbd74 GH |
290 | }; |
291 | ||
292 | static int default_driver_check(QemuOpts *opts, void *opaque) | |
293 | { | |
294 | const char *driver = qemu_opt_get(opts, "driver"); | |
295 | int i; | |
296 | ||
297 | if (!driver) | |
298 | return 0; | |
299 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { | |
300 | if (strcmp(default_list[i].driver, driver) != 0) | |
301 | continue; | |
302 | *(default_list[i].flag) = 0; | |
303 | } | |
304 | return 0; | |
305 | } | |
306 | ||
0824d6fc | 307 | /***********************************************************/ |
26aa7d72 FB |
308 | /* x86 ISA bus support */ |
309 | ||
c227f099 | 310 | target_phys_addr_t isa_mem_base = 0; |
3de388f6 | 311 | PicState2 *isa_pic; |
0824d6fc | 312 | |
0824d6fc | 313 | /***********************************************************/ |
0824d6fc FB |
314 | void hw_error(const char *fmt, ...) |
315 | { | |
316 | va_list ap; | |
6a00d601 | 317 | CPUState *env; |
0824d6fc FB |
318 | |
319 | va_start(ap, fmt); | |
320 | fprintf(stderr, "qemu: hardware error: "); | |
321 | vfprintf(stderr, fmt, ap); | |
322 | fprintf(stderr, "\n"); | |
6a00d601 FB |
323 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
324 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
0824d6fc | 325 | #ifdef TARGET_I386 |
6a00d601 | 326 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
c45886db | 327 | #else |
6a00d601 | 328 | cpu_dump_state(env, stderr, fprintf, 0); |
0824d6fc | 329 | #endif |
6a00d601 | 330 | } |
0824d6fc FB |
331 | va_end(ap); |
332 | abort(); | |
333 | } | |
1889465a AK |
334 | |
335 | static void set_proc_name(const char *s) | |
336 | { | |
6ca8d0fd | 337 | #if defined(__linux__) && defined(PR_SET_NAME) |
1889465a AK |
338 | char name[16]; |
339 | if (!s) | |
340 | return; | |
341 | name[sizeof(name) - 1] = 0; | |
342 | strncpy(name, s, sizeof(name)); | |
343 | /* Could rewrite argv[0] too, but that's a bit more complicated. | |
344 | This simple way is enough for `top'. */ | |
345 | prctl(PR_SET_NAME, name); | |
346 | #endif | |
347 | } | |
df751fa8 AL |
348 | |
349 | /***************/ | |
350 | /* ballooning */ | |
351 | ||
352 | static QEMUBalloonEvent *qemu_balloon_event; | |
353 | void *qemu_balloon_event_opaque; | |
354 | ||
355 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) | |
356 | { | |
357 | qemu_balloon_event = func; | |
358 | qemu_balloon_event_opaque = opaque; | |
359 | } | |
360 | ||
c227f099 | 361 | void qemu_balloon(ram_addr_t target) |
df751fa8 AL |
362 | { |
363 | if (qemu_balloon_event) | |
364 | qemu_balloon_event(qemu_balloon_event_opaque, target); | |
365 | } | |
366 | ||
c227f099 | 367 | ram_addr_t qemu_balloon_status(void) |
df751fa8 AL |
368 | { |
369 | if (qemu_balloon_event) | |
370 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); | |
371 | return 0; | |
372 | } | |
0824d6fc | 373 | |
63066f4f FB |
374 | /***********************************************************/ |
375 | /* keyboard/mouse */ | |
376 | ||
377 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
378 | static void *qemu_put_kbd_event_opaque; | |
455204eb TS |
379 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; |
380 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
63066f4f FB |
381 | |
382 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
383 | { | |
384 | qemu_put_kbd_event_opaque = opaque; | |
385 | qemu_put_kbd_event = func; | |
386 | } | |
387 | ||
455204eb TS |
388 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
389 | void *opaque, int absolute, | |
390 | const char *name) | |
63066f4f | 391 | { |
455204eb TS |
392 | QEMUPutMouseEntry *s, *cursor; |
393 | ||
394 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
455204eb TS |
395 | |
396 | s->qemu_put_mouse_event = func; | |
397 | s->qemu_put_mouse_event_opaque = opaque; | |
398 | s->qemu_put_mouse_event_absolute = absolute; | |
399 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
400 | s->next = NULL; | |
401 | ||
402 | if (!qemu_put_mouse_event_head) { | |
403 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
404 | return s; | |
405 | } | |
406 | ||
407 | cursor = qemu_put_mouse_event_head; | |
408 | while (cursor->next != NULL) | |
409 | cursor = cursor->next; | |
410 | ||
411 | cursor->next = s; | |
412 | qemu_put_mouse_event_current = s; | |
413 | ||
414 | return s; | |
415 | } | |
416 | ||
417 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
418 | { | |
419 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
420 | ||
421 | if (!qemu_put_mouse_event_head || entry == NULL) | |
422 | return; | |
423 | ||
424 | cursor = qemu_put_mouse_event_head; | |
425 | while (cursor != NULL && cursor != entry) { | |
426 | prev = cursor; | |
427 | cursor = cursor->next; | |
428 | } | |
429 | ||
430 | if (cursor == NULL) // does not exist or list empty | |
431 | return; | |
432 | else if (prev == NULL) { // entry is head | |
433 | qemu_put_mouse_event_head = cursor->next; | |
434 | if (qemu_put_mouse_event_current == entry) | |
435 | qemu_put_mouse_event_current = cursor->next; | |
436 | qemu_free(entry->qemu_put_mouse_event_name); | |
437 | qemu_free(entry); | |
438 | return; | |
439 | } | |
440 | ||
441 | prev->next = entry->next; | |
442 | ||
443 | if (qemu_put_mouse_event_current == entry) | |
444 | qemu_put_mouse_event_current = prev; | |
445 | ||
446 | qemu_free(entry->qemu_put_mouse_event_name); | |
447 | qemu_free(entry); | |
63066f4f FB |
448 | } |
449 | ||
450 | void kbd_put_keycode(int keycode) | |
451 | { | |
452 | if (qemu_put_kbd_event) { | |
453 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
454 | } | |
455 | } | |
456 | ||
457 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
458 | { | |
455204eb TS |
459 | QEMUPutMouseEvent *mouse_event; |
460 | void *mouse_event_opaque; | |
a171fe39 | 461 | int width; |
455204eb TS |
462 | |
463 | if (!qemu_put_mouse_event_current) { | |
464 | return; | |
465 | } | |
466 | ||
467 | mouse_event = | |
468 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
469 | mouse_event_opaque = | |
470 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
471 | ||
472 | if (mouse_event) { | |
a171fe39 AZ |
473 | if (graphic_rotate) { |
474 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
475 | width = 0x7fff; | |
476 | else | |
b94ed577 | 477 | width = graphic_width - 1; |
a171fe39 AZ |
478 | mouse_event(mouse_event_opaque, |
479 | width - dy, dx, dz, buttons_state); | |
480 | } else | |
481 | mouse_event(mouse_event_opaque, | |
482 | dx, dy, dz, buttons_state); | |
63066f4f FB |
483 | } |
484 | } | |
485 | ||
09b26c5e FB |
486 | int kbd_mouse_is_absolute(void) |
487 | { | |
455204eb TS |
488 | if (!qemu_put_mouse_event_current) |
489 | return 0; | |
490 | ||
491 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
492 | } | |
493 | ||
e78c48ec LC |
494 | static void info_mice_iter(QObject *data, void *opaque) |
495 | { | |
496 | QDict *mouse; | |
497 | Monitor *mon = opaque; | |
498 | ||
499 | mouse = qobject_to_qdict(data); | |
500 | monitor_printf(mon, "%c Mouse #%" PRId64 ": %s\n", | |
501 | (qdict_get_bool(mouse, "current") ? '*' : ' '), | |
502 | qdict_get_int(mouse, "index"), qdict_get_str(mouse, "name")); | |
503 | } | |
504 | ||
505 | void do_info_mice_print(Monitor *mon, const QObject *data) | |
506 | { | |
507 | QList *mice_list; | |
508 | ||
509 | mice_list = qobject_to_qlist(data); | |
510 | if (qlist_empty(mice_list)) { | |
511 | monitor_printf(mon, "No mouse devices connected\n"); | |
512 | return; | |
513 | } | |
514 | ||
515 | qlist_iter(mice_list, info_mice_iter, mon); | |
516 | } | |
517 | ||
518 | /** | |
519 | * do_info_mice(): Show VM mice information | |
520 | * | |
521 | * Each mouse is represented by a QDict, the returned QObject is a QList of | |
522 | * all mice. | |
523 | * | |
524 | * The mouse QDict contains the following: | |
525 | * | |
526 | * - "name": mouse's name | |
527 | * - "index": mouse's index | |
528 | * - "current": true if this mouse is receiving events, false otherwise | |
529 | * | |
530 | * Example: | |
531 | * | |
532 | * [ { "name": "QEMU Microsoft Mouse", "index": 0, "current": false }, | |
533 | * { "name": "QEMU PS/2 Mouse", "index": 1, "current": true } ] | |
534 | */ | |
535 | void do_info_mice(Monitor *mon, QObject **ret_data) | |
455204eb TS |
536 | { |
537 | QEMUPutMouseEntry *cursor; | |
e78c48ec | 538 | QList *mice_list; |
455204eb TS |
539 | int index = 0; |
540 | ||
e78c48ec LC |
541 | mice_list = qlist_new(); |
542 | ||
455204eb | 543 | if (!qemu_put_mouse_event_head) { |
e78c48ec | 544 | goto out; |
455204eb TS |
545 | } |
546 | ||
455204eb TS |
547 | cursor = qemu_put_mouse_event_head; |
548 | while (cursor != NULL) { | |
e78c48ec LC |
549 | QObject *obj; |
550 | obj = qobject_from_jsonf("{ 'name': %s, 'index': %d, 'current': %i }", | |
551 | cursor->qemu_put_mouse_event_name, | |
552 | index, cursor == qemu_put_mouse_event_current); | |
553 | qlist_append_obj(mice_list, obj); | |
455204eb TS |
554 | index++; |
555 | cursor = cursor->next; | |
556 | } | |
e78c48ec LC |
557 | |
558 | out: | |
559 | *ret_data = QOBJECT(mice_list); | |
455204eb TS |
560 | } |
561 | ||
d54908a5 | 562 | void do_mouse_set(Monitor *mon, const QDict *qdict) |
455204eb TS |
563 | { |
564 | QEMUPutMouseEntry *cursor; | |
565 | int i = 0; | |
d54908a5 | 566 | int index = qdict_get_int(qdict, "index"); |
455204eb TS |
567 | |
568 | if (!qemu_put_mouse_event_head) { | |
376253ec | 569 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
570 | return; |
571 | } | |
572 | ||
573 | cursor = qemu_put_mouse_event_head; | |
574 | while (cursor != NULL && index != i) { | |
575 | i++; | |
576 | cursor = cursor->next; | |
577 | } | |
578 | ||
579 | if (cursor != NULL) | |
580 | qemu_put_mouse_event_current = cursor; | |
581 | else | |
376253ec | 582 | monitor_printf(mon, "Mouse at given index not found\n"); |
09b26c5e FB |
583 | } |
584 | ||
1dce7c3c FB |
585 | /* compute with 96 bit intermediate result: (a*b)/c */ |
586 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
0824d6fc | 587 | { |
1dce7c3c FB |
588 | union { |
589 | uint64_t ll; | |
590 | struct { | |
e2542fe2 | 591 | #ifdef HOST_WORDS_BIGENDIAN |
1dce7c3c FB |
592 | uint32_t high, low; |
593 | #else | |
594 | uint32_t low, high; | |
3b46e624 | 595 | #endif |
1dce7c3c FB |
596 | } l; |
597 | } u, res; | |
598 | uint64_t rl, rh; | |
0824d6fc | 599 | |
1dce7c3c FB |
600 | u.ll = a; |
601 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
602 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
603 | rh += (rl >> 32); | |
604 | res.l.high = rh / c; | |
605 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
606 | return res.ll; | |
34865134 FB |
607 | } |
608 | ||
1dce7c3c FB |
609 | /***********************************************************/ |
610 | /* real time host monotonic timer */ | |
34865134 | 611 | |
21d5d12b JK |
612 | static int64_t get_clock_realtime(void) |
613 | { | |
614 | struct timeval tv; | |
615 | ||
616 | gettimeofday(&tv, NULL); | |
617 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
618 | } | |
619 | ||
1dce7c3c | 620 | #ifdef WIN32 |
0824d6fc | 621 | |
1dce7c3c | 622 | static int64_t clock_freq; |
1115dde7 | 623 | |
1dce7c3c | 624 | static void init_get_clock(void) |
1115dde7 | 625 | { |
a8e5ac33 FB |
626 | LARGE_INTEGER freq; |
627 | int ret; | |
1dce7c3c FB |
628 | ret = QueryPerformanceFrequency(&freq); |
629 | if (ret == 0) { | |
630 | fprintf(stderr, "Could not calibrate ticks\n"); | |
631 | exit(1); | |
632 | } | |
633 | clock_freq = freq.QuadPart; | |
1115dde7 FB |
634 | } |
635 | ||
1dce7c3c | 636 | static int64_t get_clock(void) |
b8076a74 | 637 | { |
1dce7c3c FB |
638 | LARGE_INTEGER ti; |
639 | QueryPerformanceCounter(&ti); | |
274dfed8 | 640 | return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); |
b8076a74 FB |
641 | } |
642 | ||
1dce7c3c | 643 | #else |
90cb9493 | 644 | |
1dce7c3c FB |
645 | static int use_rt_clock; |
646 | ||
647 | static void init_get_clock(void) | |
90cb9493 | 648 | { |
1dce7c3c | 649 | use_rt_clock = 0; |
c5e97233 | 650 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 651 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
652 | { |
653 | struct timespec ts; | |
654 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
655 | use_rt_clock = 1; | |
656 | } | |
657 | } | |
658 | #endif | |
90cb9493 FB |
659 | } |
660 | ||
1dce7c3c | 661 | static int64_t get_clock(void) |
fdbb4691 | 662 | { |
c5e97233 | 663 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 664 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
665 | if (use_rt_clock) { |
666 | struct timespec ts; | |
667 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
668 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
5fafdf24 | 669 | } else |
fdbb4691 | 670 | #endif |
1dce7c3c FB |
671 | { |
672 | /* XXX: using gettimeofday leads to problems if the date | |
673 | changes, so it should be avoided. */ | |
21d5d12b | 674 | return get_clock_realtime(); |
1dce7c3c | 675 | } |
fdbb4691 | 676 | } |
34865134 FB |
677 | #endif |
678 | ||
2e70f6ef PB |
679 | /* Return the virtual CPU time, based on the instruction counter. */ |
680 | static int64_t cpu_get_icount(void) | |
681 | { | |
682 | int64_t icount; | |
683 | CPUState *env = cpu_single_env;; | |
684 | icount = qemu_icount; | |
685 | if (env) { | |
686 | if (!can_do_io(env)) | |
687 | fprintf(stderr, "Bad clock read\n"); | |
688 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
689 | } | |
690 | return qemu_icount_bias + (icount << icount_time_shift); | |
691 | } | |
692 | ||
1dce7c3c FB |
693 | /***********************************************************/ |
694 | /* guest cycle counter */ | |
695 | ||
6f68e33e JQ |
696 | typedef struct TimersState { |
697 | int64_t cpu_ticks_prev; | |
698 | int64_t cpu_ticks_offset; | |
699 | int64_t cpu_clock_offset; | |
700 | int32_t cpu_ticks_enabled; | |
274dfed8 | 701 | int64_t dummy; |
6f68e33e JQ |
702 | } TimersState; |
703 | ||
704 | TimersState timers_state; | |
34865134 | 705 | |
1dce7c3c FB |
706 | /* return the host CPU cycle counter and handle stop/restart */ |
707 | int64_t cpu_get_ticks(void) | |
34865134 | 708 | { |
2e70f6ef PB |
709 | if (use_icount) { |
710 | return cpu_get_icount(); | |
711 | } | |
6f68e33e JQ |
712 | if (!timers_state.cpu_ticks_enabled) { |
713 | return timers_state.cpu_ticks_offset; | |
8a7ddc38 | 714 | } else { |
eade0f19 FB |
715 | int64_t ticks; |
716 | ticks = cpu_get_real_ticks(); | |
6f68e33e | 717 | if (timers_state.cpu_ticks_prev > ticks) { |
eade0f19 FB |
718 | /* Note: non increasing ticks may happen if the host uses |
719 | software suspend */ | |
6f68e33e | 720 | timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks; |
eade0f19 | 721 | } |
6f68e33e JQ |
722 | timers_state.cpu_ticks_prev = ticks; |
723 | return ticks + timers_state.cpu_ticks_offset; | |
8a7ddc38 | 724 | } |
34865134 FB |
725 | } |
726 | ||
1dce7c3c FB |
727 | /* return the host CPU monotonic timer and handle stop/restart */ |
728 | static int64_t cpu_get_clock(void) | |
729 | { | |
730 | int64_t ti; | |
6f68e33e JQ |
731 | if (!timers_state.cpu_ticks_enabled) { |
732 | return timers_state.cpu_clock_offset; | |
1dce7c3c FB |
733 | } else { |
734 | ti = get_clock(); | |
6f68e33e | 735 | return ti + timers_state.cpu_clock_offset; |
1dce7c3c FB |
736 | } |
737 | } | |
738 | ||
34865134 FB |
739 | /* enable cpu_get_ticks() */ |
740 | void cpu_enable_ticks(void) | |
741 | { | |
6f68e33e JQ |
742 | if (!timers_state.cpu_ticks_enabled) { |
743 | timers_state.cpu_ticks_offset -= cpu_get_real_ticks(); | |
744 | timers_state.cpu_clock_offset -= get_clock(); | |
745 | timers_state.cpu_ticks_enabled = 1; | |
8a7ddc38 | 746 | } |
34865134 FB |
747 | } |
748 | ||
749 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
750 | cpu_get_ticks() after that. */ | |
751 | void cpu_disable_ticks(void) | |
752 | { | |
6f68e33e JQ |
753 | if (timers_state.cpu_ticks_enabled) { |
754 | timers_state.cpu_ticks_offset = cpu_get_ticks(); | |
755 | timers_state.cpu_clock_offset = cpu_get_clock(); | |
756 | timers_state.cpu_ticks_enabled = 0; | |
8a7ddc38 | 757 | } |
34865134 FB |
758 | } |
759 | ||
1dce7c3c FB |
760 | /***********************************************************/ |
761 | /* timers */ | |
5fafdf24 | 762 | |
0fdddf80 JK |
763 | #define QEMU_CLOCK_REALTIME 0 |
764 | #define QEMU_CLOCK_VIRTUAL 1 | |
21d5d12b | 765 | #define QEMU_CLOCK_HOST 2 |
8a7ddc38 FB |
766 | |
767 | struct QEMUClock { | |
768 | int type; | |
769 | /* XXX: add frequency */ | |
770 | }; | |
771 | ||
772 | struct QEMUTimer { | |
773 | QEMUClock *clock; | |
774 | int64_t expire_time; | |
775 | QEMUTimerCB *cb; | |
776 | void *opaque; | |
777 | struct QEMUTimer *next; | |
778 | }; | |
779 | ||
c8994013 TS |
780 | struct qemu_alarm_timer { |
781 | char const *name; | |
efe75411 | 782 | unsigned int flags; |
c8994013 TS |
783 | |
784 | int (*start)(struct qemu_alarm_timer *t); | |
785 | void (*stop)(struct qemu_alarm_timer *t); | |
efe75411 | 786 | void (*rearm)(struct qemu_alarm_timer *t); |
c8994013 TS |
787 | void *priv; |
788 | }; | |
789 | ||
efe75411 | 790 | #define ALARM_FLAG_DYNTICKS 0x1 |
d5d08334 | 791 | #define ALARM_FLAG_EXPIRED 0x2 |
efe75411 TS |
792 | |
793 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
794 | { | |
e332340a | 795 | return t && (t->flags & ALARM_FLAG_DYNTICKS); |
efe75411 TS |
796 | } |
797 | ||
798 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
799 | { | |
800 | if (!alarm_has_dynticks(t)) | |
801 | return; | |
802 | ||
803 | t->rearm(t); | |
804 | } | |
805 | ||
806 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
807 | #define MIN_TIMER_REARM_US 250 | |
808 | ||
c8994013 | 809 | static struct qemu_alarm_timer *alarm_timer; |
8a7ddc38 | 810 | |
40c3bac3 | 811 | #ifdef _WIN32 |
c8994013 TS |
812 | |
813 | struct qemu_alarm_win32 { | |
814 | MMRESULT timerId; | |
c8994013 | 815 | unsigned int period; |
ef28c4b0 | 816 | } alarm_win32_data = {0, -1}; |
c8994013 TS |
817 | |
818 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
819 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
efe75411 | 820 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
c8994013 | 821 | |
40c3bac3 | 822 | #else |
c8994013 TS |
823 | |
824 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
825 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
826 | ||
231c6586 TS |
827 | #ifdef __linux__ |
828 | ||
efe75411 TS |
829 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
830 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
831 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
832 | ||
c40ec5a9 TS |
833 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
834 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
835 | ||
c8994013 TS |
836 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
837 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
838 | ||
efe75411 | 839 | #endif /* __linux__ */ |
8a7ddc38 | 840 | |
c8994013 TS |
841 | #endif /* _WIN32 */ |
842 | ||
2e70f6ef | 843 | /* Correlation between real and virtual time is always going to be |
bf20dc07 | 844 | fairly approximate, so ignore small variation. |
2e70f6ef PB |
845 | When the guest is idle real and virtual time will be aligned in |
846 | the IO wait loop. */ | |
274dfed8 | 847 | #define ICOUNT_WOBBLE (get_ticks_per_sec() / 10) |
2e70f6ef PB |
848 | |
849 | static void icount_adjust(void) | |
850 | { | |
851 | int64_t cur_time; | |
852 | int64_t cur_icount; | |
853 | int64_t delta; | |
854 | static int64_t last_delta; | |
855 | /* If the VM is not running, then do nothing. */ | |
856 | if (!vm_running) | |
857 | return; | |
858 | ||
859 | cur_time = cpu_get_clock(); | |
860 | cur_icount = qemu_get_clock(vm_clock); | |
861 | delta = cur_icount - cur_time; | |
862 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
863 | if (delta > 0 | |
864 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
865 | && icount_time_shift > 0) { | |
866 | /* The guest is getting too far ahead. Slow time down. */ | |
867 | icount_time_shift--; | |
868 | } | |
869 | if (delta < 0 | |
870 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
871 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
872 | /* The guest is getting too far behind. Speed time up. */ | |
873 | icount_time_shift++; | |
874 | } | |
875 | last_delta = delta; | |
876 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
877 | } | |
878 | ||
879 | static void icount_adjust_rt(void * opaque) | |
880 | { | |
881 | qemu_mod_timer(icount_rt_timer, | |
882 | qemu_get_clock(rt_clock) + 1000); | |
883 | icount_adjust(); | |
884 | } | |
885 | ||
886 | static void icount_adjust_vm(void * opaque) | |
887 | { | |
888 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 889 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
890 | icount_adjust(); |
891 | } | |
892 | ||
893 | static void init_icount_adjust(void) | |
894 | { | |
895 | /* Have both realtime and virtual time triggers for speed adjustment. | |
896 | The realtime trigger catches emulated time passing too slowly, | |
897 | the virtual time trigger catches emulated time passing too fast. | |
898 | Realtime triggers occur even when idle, so use them less frequently | |
899 | than VM triggers. */ | |
900 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
901 | qemu_mod_timer(icount_rt_timer, | |
902 | qemu_get_clock(rt_clock) + 1000); | |
903 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
904 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 905 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
906 | } |
907 | ||
c8994013 | 908 | static struct qemu_alarm_timer alarm_timers[] = { |
efe75411 | 909 | #ifndef _WIN32 |
231c6586 | 910 | #ifdef __linux__ |
efe75411 TS |
911 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
912 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
c40ec5a9 | 913 | /* HPET - if available - is preferred */ |
efe75411 | 914 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
c40ec5a9 | 915 | /* ...otherwise try RTC */ |
efe75411 | 916 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
c8994013 | 917 | #endif |
efe75411 | 918 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
c8994013 | 919 | #else |
efe75411 TS |
920 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
921 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
922 | {"win32", 0, win32_start_timer, | |
923 | win32_stop_timer, NULL, &alarm_win32_data}, | |
c8994013 TS |
924 | #endif |
925 | {NULL, } | |
926 | }; | |
927 | ||
3f47aa8c | 928 | static void show_available_alarms(void) |
f3dcfada TS |
929 | { |
930 | int i; | |
931 | ||
932 | printf("Available alarm timers, in order of precedence:\n"); | |
933 | for (i = 0; alarm_timers[i].name; i++) | |
934 | printf("%s\n", alarm_timers[i].name); | |
935 | } | |
936 | ||
937 | static void configure_alarms(char const *opt) | |
938 | { | |
939 | int i; | |
940 | int cur = 0; | |
b1503cda | 941 | int count = ARRAY_SIZE(alarm_timers) - 1; |
f3dcfada TS |
942 | char *arg; |
943 | char *name; | |
2e70f6ef | 944 | struct qemu_alarm_timer tmp; |
f3dcfada | 945 | |
3adda04c | 946 | if (!strcmp(opt, "?")) { |
f3dcfada TS |
947 | show_available_alarms(); |
948 | exit(0); | |
949 | } | |
950 | ||
73ffc805 | 951 | arg = qemu_strdup(opt); |
f3dcfada TS |
952 | |
953 | /* Reorder the array */ | |
954 | name = strtok(arg, ","); | |
955 | while (name) { | |
e2b577e5 | 956 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
f3dcfada TS |
957 | if (!strcmp(alarm_timers[i].name, name)) |
958 | break; | |
959 | } | |
960 | ||
961 | if (i == count) { | |
962 | fprintf(stderr, "Unknown clock %s\n", name); | |
963 | goto next; | |
964 | } | |
965 | ||
966 | if (i < cur) | |
967 | /* Ignore */ | |
968 | goto next; | |
969 | ||
970 | /* Swap */ | |
971 | tmp = alarm_timers[i]; | |
972 | alarm_timers[i] = alarm_timers[cur]; | |
973 | alarm_timers[cur] = tmp; | |
974 | ||
975 | cur++; | |
976 | next: | |
977 | name = strtok(NULL, ","); | |
978 | } | |
979 | ||
73ffc805 | 980 | qemu_free(arg); |
f3dcfada TS |
981 | |
982 | if (cur) { | |
2e70f6ef | 983 | /* Disable remaining timers */ |
f3dcfada TS |
984 | for (i = cur; i < count; i++) |
985 | alarm_timers[i].name = NULL; | |
3adda04c AJ |
986 | } else { |
987 | show_available_alarms(); | |
988 | exit(1); | |
f3dcfada | 989 | } |
f3dcfada TS |
990 | } |
991 | ||
21d5d12b JK |
992 | #define QEMU_NUM_CLOCKS 3 |
993 | ||
c8994013 TS |
994 | QEMUClock *rt_clock; |
995 | QEMUClock *vm_clock; | |
21d5d12b | 996 | QEMUClock *host_clock; |
c8994013 | 997 | |
21d5d12b | 998 | static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; |
c8994013 | 999 | |
9596ebb7 | 1000 | static QEMUClock *qemu_new_clock(int type) |
8a7ddc38 FB |
1001 | { |
1002 | QEMUClock *clock; | |
1003 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
8a7ddc38 FB |
1004 | clock->type = type; |
1005 | return clock; | |
1006 | } | |
1007 | ||
1008 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
1009 | { | |
1010 | QEMUTimer *ts; | |
1011 | ||
1012 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
1013 | ts->clock = clock; | |
1014 | ts->cb = cb; | |
1015 | ts->opaque = opaque; | |
1016 | return ts; | |
1017 | } | |
1018 | ||
1019 | void qemu_free_timer(QEMUTimer *ts) | |
1020 | { | |
1021 | qemu_free(ts); | |
1022 | } | |
1023 | ||
1024 | /* stop a timer, but do not dealloc it */ | |
1025 | void qemu_del_timer(QEMUTimer *ts) | |
1026 | { | |
1027 | QEMUTimer **pt, *t; | |
1028 | ||
1029 | /* NOTE: this code must be signal safe because | |
1030 | qemu_timer_expired() can be called from a signal. */ | |
1031 | pt = &active_timers[ts->clock->type]; | |
1032 | for(;;) { | |
1033 | t = *pt; | |
1034 | if (!t) | |
1035 | break; | |
1036 | if (t == ts) { | |
1037 | *pt = t->next; | |
1038 | break; | |
1039 | } | |
1040 | pt = &t->next; | |
1041 | } | |
1042 | } | |
1043 | ||
1044 | /* modify the current timer so that it will be fired when current_time | |
1045 | >= expire_time. The corresponding callback will be called. */ | |
1046 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
1047 | { | |
1048 | QEMUTimer **pt, *t; | |
1049 | ||
1050 | qemu_del_timer(ts); | |
1051 | ||
1052 | /* add the timer in the sorted list */ | |
1053 | /* NOTE: this code must be signal safe because | |
1054 | qemu_timer_expired() can be called from a signal. */ | |
1055 | pt = &active_timers[ts->clock->type]; | |
1056 | for(;;) { | |
1057 | t = *pt; | |
1058 | if (!t) | |
1059 | break; | |
5fafdf24 | 1060 | if (t->expire_time > expire_time) |
8a7ddc38 FB |
1061 | break; |
1062 | pt = &t->next; | |
1063 | } | |
1064 | ts->expire_time = expire_time; | |
1065 | ts->next = *pt; | |
1066 | *pt = ts; | |
d5d08334 AZ |
1067 | |
1068 | /* Rearm if necessary */ | |
2e70f6ef PB |
1069 | if (pt == &active_timers[ts->clock->type]) { |
1070 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
1071 | qemu_rearm_alarm_timer(alarm_timer); | |
1072 | } | |
1073 | /* Interrupt execution to force deadline recalculation. */ | |
d9f75a4e AL |
1074 | if (use_icount) |
1075 | qemu_notify_event(); | |
2e70f6ef | 1076 | } |
8a7ddc38 FB |
1077 | } |
1078 | ||
1079 | int qemu_timer_pending(QEMUTimer *ts) | |
1080 | { | |
1081 | QEMUTimer *t; | |
1082 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1083 | if (t == ts) | |
1084 | return 1; | |
1085 | } | |
1086 | return 0; | |
1087 | } | |
1088 | ||
2430ffe4 | 1089 | int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
8a7ddc38 FB |
1090 | { |
1091 | if (!timer_head) | |
1092 | return 0; | |
1093 | return (timer_head->expire_time <= current_time); | |
1094 | } | |
1095 | ||
1096 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1097 | { | |
1098 | QEMUTimer *ts; | |
3b46e624 | 1099 | |
8a7ddc38 FB |
1100 | for(;;) { |
1101 | ts = *ptimer_head; | |
e95c8d51 | 1102 | if (!ts || ts->expire_time > current_time) |
8a7ddc38 FB |
1103 | break; |
1104 | /* remove timer from the list before calling the callback */ | |
1105 | *ptimer_head = ts->next; | |
1106 | ts->next = NULL; | |
3b46e624 | 1107 | |
8a7ddc38 FB |
1108 | /* run the callback (the timer list can be modified) */ |
1109 | ts->cb(ts->opaque); | |
1110 | } | |
1111 | } | |
1112 | ||
1113 | int64_t qemu_get_clock(QEMUClock *clock) | |
1114 | { | |
1115 | switch(clock->type) { | |
0fdddf80 | 1116 | case QEMU_CLOCK_REALTIME: |
1dce7c3c | 1117 | return get_clock() / 1000000; |
8a7ddc38 | 1118 | default: |
0fdddf80 | 1119 | case QEMU_CLOCK_VIRTUAL: |
2e70f6ef PB |
1120 | if (use_icount) { |
1121 | return cpu_get_icount(); | |
1122 | } else { | |
1123 | return cpu_get_clock(); | |
1124 | } | |
21d5d12b JK |
1125 | case QEMU_CLOCK_HOST: |
1126 | return get_clock_realtime(); | |
8a7ddc38 FB |
1127 | } |
1128 | } | |
1129 | ||
0fdddf80 | 1130 | static void init_clocks(void) |
1dce7c3c FB |
1131 | { |
1132 | init_get_clock(); | |
0fdddf80 JK |
1133 | rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME); |
1134 | vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL); | |
21d5d12b | 1135 | host_clock = qemu_new_clock(QEMU_CLOCK_HOST); |
6875204c JK |
1136 | |
1137 | rtc_clock = host_clock; | |
1dce7c3c FB |
1138 | } |
1139 | ||
8a7ddc38 FB |
1140 | /* save a timer */ |
1141 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1142 | { | |
1143 | uint64_t expire_time; | |
1144 | ||
1145 | if (qemu_timer_pending(ts)) { | |
1146 | expire_time = ts->expire_time; | |
1147 | } else { | |
1148 | expire_time = -1; | |
1149 | } | |
1150 | qemu_put_be64(f, expire_time); | |
1151 | } | |
1152 | ||
1153 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1154 | { | |
1155 | uint64_t expire_time; | |
1156 | ||
1157 | expire_time = qemu_get_be64(f); | |
1158 | if (expire_time != -1) { | |
1159 | qemu_mod_timer(ts, expire_time); | |
1160 | } else { | |
1161 | qemu_del_timer(ts); | |
1162 | } | |
1163 | } | |
1164 | ||
2faf58cd JQ |
1165 | static const VMStateDescription vmstate_timers = { |
1166 | .name = "timer", | |
1167 | .version_id = 2, | |
1168 | .minimum_version_id = 1, | |
1169 | .minimum_version_id_old = 1, | |
1170 | .fields = (VMStateField []) { | |
1171 | VMSTATE_INT64(cpu_ticks_offset, TimersState), | |
274dfed8 | 1172 | VMSTATE_INT64(dummy, TimersState), |
2faf58cd JQ |
1173 | VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2), |
1174 | VMSTATE_END_OF_LIST() | |
c88676f8 | 1175 | } |
2faf58cd | 1176 | }; |
8a7ddc38 | 1177 | |
50317c7f AL |
1178 | static void qemu_event_increment(void); |
1179 | ||
67b915a5 | 1180 | #ifdef _WIN32 |
b9e82a59 BS |
1181 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
1182 | DWORD_PTR dwUser, DWORD_PTR dw1, | |
1183 | DWORD_PTR dw2) | |
67b915a5 | 1184 | #else |
8a7ddc38 | 1185 | static void host_alarm_handler(int host_signum) |
67b915a5 | 1186 | #endif |
8a7ddc38 | 1187 | { |
02ba45c5 FB |
1188 | #if 0 |
1189 | #define DISP_FREQ 1000 | |
1190 | { | |
1191 | static int64_t delta_min = INT64_MAX; | |
1192 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1193 | static int count; | |
1194 | ti = qemu_get_clock(vm_clock); | |
1195 | if (last_clock != 0) { | |
1196 | delta = ti - last_clock; | |
1197 | if (delta < delta_min) | |
1198 | delta_min = delta; | |
1199 | if (delta > delta_max) | |
1200 | delta_max = delta; | |
1201 | delta_cum += delta; | |
1202 | if (++count == DISP_FREQ) { | |
26a76461 | 1203 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", |
6ee093c9 JQ |
1204 | muldiv64(delta_min, 1000000, get_ticks_per_sec()), |
1205 | muldiv64(delta_max, 1000000, get_ticks_per_sec()), | |
1206 | muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()), | |
1207 | (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ)); | |
02ba45c5 FB |
1208 | count = 0; |
1209 | delta_min = INT64_MAX; | |
1210 | delta_max = 0; | |
1211 | delta_cum = 0; | |
1212 | } | |
1213 | } | |
1214 | last_clock = ti; | |
1215 | } | |
1216 | #endif | |
efe75411 | 1217 | if (alarm_has_dynticks(alarm_timer) || |
2e70f6ef | 1218 | (!use_icount && |
0fdddf80 | 1219 | qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], |
2e70f6ef | 1220 | qemu_get_clock(vm_clock))) || |
0fdddf80 | 1221 | qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME], |
21d5d12b JK |
1222 | qemu_get_clock(rt_clock)) || |
1223 | qemu_timer_expired(active_timers[QEMU_CLOCK_HOST], | |
1224 | qemu_get_clock(host_clock))) { | |
50317c7f | 1225 | qemu_event_increment(); |
e332340a | 1226 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
d5d08334 | 1227 | |
d6dc3d42 AL |
1228 | #ifndef CONFIG_IOTHREAD |
1229 | if (next_cpu) { | |
4f8eb8da | 1230 | /* stop the currently executing cpu because a timer occured */ |
d6dc3d42 | 1231 | cpu_exit(next_cpu); |
4f8eb8da | 1232 | } |
d6dc3d42 | 1233 | #endif |
43b96858 | 1234 | timer_alarm_pending = 1; |
d9f75a4e | 1235 | qemu_notify_event(); |
8a7ddc38 FB |
1236 | } |
1237 | } | |
1238 | ||
2e70f6ef | 1239 | static int64_t qemu_next_deadline(void) |
efe75411 | 1240 | { |
21d5d12b JK |
1241 | /* To avoid problems with overflow limit this to 2^32. */ |
1242 | int64_t delta = INT32_MAX; | |
efe75411 | 1243 | |
0fdddf80 JK |
1244 | if (active_timers[QEMU_CLOCK_VIRTUAL]) { |
1245 | delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - | |
2e70f6ef | 1246 | qemu_get_clock(vm_clock); |
21d5d12b JK |
1247 | } |
1248 | if (active_timers[QEMU_CLOCK_HOST]) { | |
1249 | int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - | |
1250 | qemu_get_clock(host_clock); | |
1251 | if (hdelta < delta) | |
1252 | delta = hdelta; | |
efe75411 TS |
1253 | } |
1254 | ||
2e70f6ef PB |
1255 | if (delta < 0) |
1256 | delta = 0; | |
efe75411 | 1257 | |
2e70f6ef PB |
1258 | return delta; |
1259 | } | |
1260 | ||
f64382ba | 1261 | #if defined(__linux__) |
2e70f6ef PB |
1262 | static uint64_t qemu_next_deadline_dyntick(void) |
1263 | { | |
1264 | int64_t delta; | |
1265 | int64_t rtdelta; | |
1266 | ||
1267 | if (use_icount) | |
1268 | delta = INT32_MAX; | |
1269 | else | |
1270 | delta = (qemu_next_deadline() + 999) / 1000; | |
1271 | ||
0fdddf80 JK |
1272 | if (active_timers[QEMU_CLOCK_REALTIME]) { |
1273 | rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - | |
2e70f6ef PB |
1274 | qemu_get_clock(rt_clock))*1000; |
1275 | if (rtdelta < delta) | |
1276 | delta = rtdelta; | |
1277 | } | |
1278 | ||
1279 | if (delta < MIN_TIMER_REARM_US) | |
1280 | delta = MIN_TIMER_REARM_US; | |
1281 | ||
1282 | return delta; | |
efe75411 | 1283 | } |
8632fb9a | 1284 | #endif |
efe75411 | 1285 | |
fd872598 FB |
1286 | #ifndef _WIN32 |
1287 | ||
7183b4b4 AL |
1288 | /* Sets a specific flag */ |
1289 | static int fcntl_setfl(int fd, int flag) | |
1290 | { | |
1291 | int flags; | |
1292 | ||
1293 | flags = fcntl(fd, F_GETFL); | |
1294 | if (flags == -1) | |
1295 | return -errno; | |
1296 | ||
1297 | if (fcntl(fd, F_SETFL, flags | flag) == -1) | |
1298 | return -errno; | |
1299 | ||
1300 | return 0; | |
1301 | } | |
1302 | ||
829309c7 FB |
1303 | #if defined(__linux__) |
1304 | ||
fd872598 FB |
1305 | #define RTC_FREQ 1024 |
1306 | ||
de9a95f0 | 1307 | static void enable_sigio_timer(int fd) |
c8994013 TS |
1308 | { |
1309 | struct sigaction act; | |
1310 | ||
1311 | /* timer signal */ | |
1312 | sigfillset(&act.sa_mask); | |
1313 | act.sa_flags = 0; | |
c8994013 TS |
1314 | act.sa_handler = host_alarm_handler; |
1315 | ||
1316 | sigaction(SIGIO, &act, NULL); | |
7183b4b4 | 1317 | fcntl_setfl(fd, O_ASYNC); |
c8994013 TS |
1318 | fcntl(fd, F_SETOWN, getpid()); |
1319 | } | |
829309c7 | 1320 | |
c40ec5a9 TS |
1321 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
1322 | { | |
1323 | struct hpet_info info; | |
1324 | int r, fd; | |
1325 | ||
40ff6d7e | 1326 | fd = qemu_open("/dev/hpet", O_RDONLY); |
c40ec5a9 TS |
1327 | if (fd < 0) |
1328 | return -1; | |
1329 | ||
1330 | /* Set frequency */ | |
1331 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1332 | if (r < 0) { | |
1333 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1334 | "error, but for better emulation accuracy type:\n" | |
1335 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1336 | goto fail; | |
1337 | } | |
1338 | ||
1339 | /* Check capabilities */ | |
1340 | r = ioctl(fd, HPET_INFO, &info); | |
1341 | if (r < 0) | |
1342 | goto fail; | |
1343 | ||
1344 | /* Enable periodic mode */ | |
1345 | r = ioctl(fd, HPET_EPI, 0); | |
1346 | if (info.hi_flags && (r < 0)) | |
1347 | goto fail; | |
1348 | ||
1349 | /* Enable interrupt */ | |
1350 | r = ioctl(fd, HPET_IE_ON, 0); | |
1351 | if (r < 0) | |
1352 | goto fail; | |
1353 | ||
1354 | enable_sigio_timer(fd); | |
fcdc2129 | 1355 | t->priv = (void *)(long)fd; |
c40ec5a9 TS |
1356 | |
1357 | return 0; | |
1358 | fail: | |
1359 | close(fd); | |
1360 | return -1; | |
1361 | } | |
1362 | ||
1363 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1364 | { | |
fcdc2129 | 1365 | int fd = (long)t->priv; |
c40ec5a9 TS |
1366 | |
1367 | close(fd); | |
1368 | } | |
1369 | ||
c8994013 | 1370 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
fd872598 | 1371 | { |
c8994013 | 1372 | int rtc_fd; |
b5a23ad4 | 1373 | unsigned long current_rtc_freq = 0; |
c8994013 | 1374 | |
40ff6d7e | 1375 | TFR(rtc_fd = qemu_open("/dev/rtc", O_RDONLY)); |
fd872598 FB |
1376 | if (rtc_fd < 0) |
1377 | return -1; | |
b5a23ad4 AZ |
1378 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1379 | if (current_rtc_freq != RTC_FREQ && | |
1380 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
fd872598 FB |
1381 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
1382 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1383 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1384 | goto fail; | |
1385 | } | |
1386 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1387 | fail: | |
1388 | close(rtc_fd); | |
1389 | return -1; | |
1390 | } | |
c8994013 TS |
1391 | |
1392 | enable_sigio_timer(rtc_fd); | |
1393 | ||
fcdc2129 | 1394 | t->priv = (void *)(long)rtc_fd; |
c8994013 | 1395 | |
fd872598 FB |
1396 | return 0; |
1397 | } | |
1398 | ||
c8994013 | 1399 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
829309c7 | 1400 | { |
fcdc2129 | 1401 | int rtc_fd = (long)t->priv; |
c8994013 TS |
1402 | |
1403 | close(rtc_fd); | |
829309c7 FB |
1404 | } |
1405 | ||
efe75411 TS |
1406 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1407 | { | |
1408 | struct sigevent ev; | |
1409 | timer_t host_timer; | |
1410 | struct sigaction act; | |
1411 | ||
1412 | sigfillset(&act.sa_mask); | |
1413 | act.sa_flags = 0; | |
efe75411 TS |
1414 | act.sa_handler = host_alarm_handler; |
1415 | ||
1416 | sigaction(SIGALRM, &act, NULL); | |
1417 | ||
9ed415b2 JCD |
1418 | /* |
1419 | * Initialize ev struct to 0 to avoid valgrind complaining | |
1420 | * about uninitialized data in timer_create call | |
1421 | */ | |
1422 | memset(&ev, 0, sizeof(ev)); | |
efe75411 TS |
1423 | ev.sigev_value.sival_int = 0; |
1424 | ev.sigev_notify = SIGEV_SIGNAL; | |
1425 | ev.sigev_signo = SIGALRM; | |
1426 | ||
1427 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1428 | perror("timer_create"); | |
1429 | ||
1430 | /* disable dynticks */ | |
1431 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1432 | ||
1433 | return -1; | |
1434 | } | |
1435 | ||
0399bfe0 | 1436 | t->priv = (void *)(long)host_timer; |
efe75411 TS |
1437 | |
1438 | return 0; | |
1439 | } | |
1440 | ||
1441 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1442 | { | |
0399bfe0 | 1443 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1444 | |
1445 | timer_delete(host_timer); | |
1446 | } | |
1447 | ||
1448 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1449 | { | |
0399bfe0 | 1450 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1451 | struct itimerspec timeout; |
1452 | int64_t nearest_delta_us = INT64_MAX; | |
1453 | int64_t current_us; | |
1454 | ||
0fdddf80 | 1455 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1456 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1457 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1458 | return; |
efe75411 | 1459 | |
2e70f6ef | 1460 | nearest_delta_us = qemu_next_deadline_dyntick(); |
efe75411 TS |
1461 | |
1462 | /* check whether a timer is already running */ | |
1463 | if (timer_gettime(host_timer, &timeout)) { | |
1464 | perror("gettime"); | |
1465 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1466 | exit(1); | |
1467 | } | |
1468 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1469 | if (current_us && current_us <= nearest_delta_us) | |
1470 | return; | |
1471 | ||
1472 | timeout.it_interval.tv_sec = 0; | |
1473 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1474 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1475 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1476 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1477 | perror("settime"); | |
1478 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1479 | exit(1); | |
1480 | } | |
1481 | } | |
1482 | ||
70744b3a | 1483 | #endif /* defined(__linux__) */ |
231c6586 | 1484 | |
c8994013 TS |
1485 | static int unix_start_timer(struct qemu_alarm_timer *t) |
1486 | { | |
1487 | struct sigaction act; | |
1488 | struct itimerval itv; | |
1489 | int err; | |
1490 | ||
1491 | /* timer signal */ | |
1492 | sigfillset(&act.sa_mask); | |
1493 | act.sa_flags = 0; | |
c8994013 TS |
1494 | act.sa_handler = host_alarm_handler; |
1495 | ||
1496 | sigaction(SIGALRM, &act, NULL); | |
1497 | ||
1498 | itv.it_interval.tv_sec = 0; | |
1499 | /* for i386 kernel 2.6 to get 1 ms */ | |
1500 | itv.it_interval.tv_usec = 999; | |
1501 | itv.it_value.tv_sec = 0; | |
1502 | itv.it_value.tv_usec = 10 * 1000; | |
1503 | ||
1504 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1505 | if (err) | |
1506 | return -1; | |
1507 | ||
1508 | return 0; | |
1509 | } | |
1510 | ||
1511 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1512 | { | |
1513 | struct itimerval itv; | |
1514 | ||
1515 | memset(&itv, 0, sizeof(itv)); | |
1516 | setitimer(ITIMER_REAL, &itv, NULL); | |
1517 | } | |
1518 | ||
829309c7 | 1519 | #endif /* !defined(_WIN32) */ |
fd872598 | 1520 | |
f49e58dc | 1521 | |
c8994013 TS |
1522 | #ifdef _WIN32 |
1523 | ||
1524 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1525 | { | |
1526 | TIMECAPS tc; | |
1527 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1528 | UINT flags; |
c8994013 | 1529 | |
c8994013 TS |
1530 | memset(&tc, 0, sizeof(tc)); |
1531 | timeGetDevCaps(&tc, sizeof(tc)); | |
1532 | ||
1533 | if (data->period < tc.wPeriodMin) | |
1534 | data->period = tc.wPeriodMin; | |
1535 | ||
1536 | timeBeginPeriod(data->period); | |
1537 | ||
efe75411 TS |
1538 | flags = TIME_CALLBACK_FUNCTION; |
1539 | if (alarm_has_dynticks(t)) | |
1540 | flags |= TIME_ONESHOT; | |
1541 | else | |
1542 | flags |= TIME_PERIODIC; | |
1543 | ||
c8994013 TS |
1544 | data->timerId = timeSetEvent(1, // interval (ms) |
1545 | data->period, // resolution | |
1546 | host_alarm_handler, // function | |
1547 | (DWORD)t, // parameter | |
efe75411 | 1548 | flags); |
c8994013 TS |
1549 | |
1550 | if (!data->timerId) { | |
20889d4e | 1551 | fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n", |
705e83f6 | 1552 | GetLastError()); |
c8994013 | 1553 | timeEndPeriod(data->period); |
c8994013 TS |
1554 | return -1; |
1555 | } | |
1556 | ||
c8994013 TS |
1557 | return 0; |
1558 | } | |
1559 | ||
1560 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1561 | { | |
1562 | struct qemu_alarm_win32 *data = t->priv; | |
1563 | ||
1564 | timeKillEvent(data->timerId); | |
1565 | timeEndPeriod(data->period); | |
c8994013 TS |
1566 | } |
1567 | ||
efe75411 TS |
1568 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1569 | { | |
1570 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1571 | |
0fdddf80 | 1572 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1573 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1574 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1575 | return; |
efe75411 | 1576 | |
efe75411 TS |
1577 | timeKillEvent(data->timerId); |
1578 | ||
1579 | data->timerId = timeSetEvent(1, | |
1580 | data->period, | |
1581 | host_alarm_handler, | |
1582 | (DWORD)t, | |
1583 | TIME_ONESHOT | TIME_PERIODIC); | |
1584 | ||
1585 | if (!data->timerId) { | |
20889d4e | 1586 | fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n", |
705e83f6 | 1587 | GetLastError()); |
efe75411 TS |
1588 | |
1589 | timeEndPeriod(data->period); | |
efe75411 TS |
1590 | exit(1); |
1591 | } | |
1592 | } | |
1593 | ||
c8994013 TS |
1594 | #endif /* _WIN32 */ |
1595 | ||
7183b4b4 | 1596 | static int init_timer_alarm(void) |
8a7ddc38 | 1597 | { |
223f0d72 | 1598 | struct qemu_alarm_timer *t = NULL; |
c8994013 | 1599 | int i, err = -1; |
f49e58dc | 1600 | |
c8994013 TS |
1601 | for (i = 0; alarm_timers[i].name; i++) { |
1602 | t = &alarm_timers[i]; | |
1603 | ||
c8994013 TS |
1604 | err = t->start(t); |
1605 | if (!err) | |
1606 | break; | |
67b915a5 | 1607 | } |
fd872598 | 1608 | |
c8994013 | 1609 | if (err) { |
7183b4b4 AL |
1610 | err = -ENOENT; |
1611 | goto fail; | |
67b915a5 | 1612 | } |
c8994013 TS |
1613 | |
1614 | alarm_timer = t; | |
7183b4b4 | 1615 | |
6abfbd79 | 1616 | return 0; |
7183b4b4 AL |
1617 | |
1618 | fail: | |
7183b4b4 | 1619 | return err; |
8a7ddc38 FB |
1620 | } |
1621 | ||
9596ebb7 | 1622 | static void quit_timers(void) |
40c3bac3 | 1623 | { |
c8994013 TS |
1624 | alarm_timer->stop(alarm_timer); |
1625 | alarm_timer = NULL; | |
40c3bac3 FB |
1626 | } |
1627 | ||
f6503059 AZ |
1628 | /***********************************************************/ |
1629 | /* host time/date access */ | |
1630 | void qemu_get_timedate(struct tm *tm, int offset) | |
1631 | { | |
1632 | time_t ti; | |
1633 | struct tm *ret; | |
1634 | ||
1635 | time(&ti); | |
1636 | ti += offset; | |
1637 | if (rtc_date_offset == -1) { | |
1638 | if (rtc_utc) | |
1639 | ret = gmtime(&ti); | |
1640 | else | |
1641 | ret = localtime(&ti); | |
1642 | } else { | |
1643 | ti -= rtc_date_offset; | |
1644 | ret = gmtime(&ti); | |
1645 | } | |
1646 | ||
1647 | memcpy(tm, ret, sizeof(struct tm)); | |
1648 | } | |
1649 | ||
1650 | int qemu_timedate_diff(struct tm *tm) | |
1651 | { | |
1652 | time_t seconds; | |
1653 | ||
1654 | if (rtc_date_offset == -1) | |
1655 | if (rtc_utc) | |
1656 | seconds = mktimegm(tm); | |
1657 | else | |
1658 | seconds = mktime(tm); | |
1659 | else | |
1660 | seconds = mktimegm(tm) + rtc_date_offset; | |
1661 | ||
1662 | return seconds - time(NULL); | |
1663 | } | |
1664 | ||
1ed2fc1f JK |
1665 | static void configure_rtc_date_offset(const char *startdate, int legacy) |
1666 | { | |
1667 | time_t rtc_start_date; | |
1668 | struct tm tm; | |
1669 | ||
1670 | if (!strcmp(startdate, "now") && legacy) { | |
1671 | rtc_date_offset = -1; | |
1672 | } else { | |
1673 | if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", | |
1674 | &tm.tm_year, | |
1675 | &tm.tm_mon, | |
1676 | &tm.tm_mday, | |
1677 | &tm.tm_hour, | |
1678 | &tm.tm_min, | |
1679 | &tm.tm_sec) == 6) { | |
1680 | /* OK */ | |
1681 | } else if (sscanf(startdate, "%d-%d-%d", | |
1682 | &tm.tm_year, | |
1683 | &tm.tm_mon, | |
1684 | &tm.tm_mday) == 3) { | |
1685 | tm.tm_hour = 0; | |
1686 | tm.tm_min = 0; | |
1687 | tm.tm_sec = 0; | |
1688 | } else { | |
1689 | goto date_fail; | |
1690 | } | |
1691 | tm.tm_year -= 1900; | |
1692 | tm.tm_mon--; | |
1693 | rtc_start_date = mktimegm(&tm); | |
1694 | if (rtc_start_date == -1) { | |
1695 | date_fail: | |
1696 | fprintf(stderr, "Invalid date format. Valid formats are:\n" | |
1697 | "'2006-06-17T16:01:21' or '2006-06-17'\n"); | |
1698 | exit(1); | |
1699 | } | |
1700 | rtc_date_offset = time(NULL) - rtc_start_date; | |
1701 | } | |
1702 | } | |
1703 | ||
1704 | static void configure_rtc(QemuOpts *opts) | |
1705 | { | |
1706 | const char *value; | |
1707 | ||
1708 | value = qemu_opt_get(opts, "base"); | |
1709 | if (value) { | |
1710 | if (!strcmp(value, "utc")) { | |
1711 | rtc_utc = 1; | |
1712 | } else if (!strcmp(value, "localtime")) { | |
1713 | rtc_utc = 0; | |
1714 | } else { | |
1715 | configure_rtc_date_offset(value, 0); | |
1716 | } | |
1717 | } | |
6875204c JK |
1718 | value = qemu_opt_get(opts, "clock"); |
1719 | if (value) { | |
1720 | if (!strcmp(value, "host")) { | |
1721 | rtc_clock = host_clock; | |
1722 | } else if (!strcmp(value, "vm")) { | |
1723 | rtc_clock = vm_clock; | |
1724 | } else { | |
1725 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1726 | exit(1); | |
1727 | } | |
1728 | } | |
1ed2fc1f JK |
1729 | #ifdef CONFIG_TARGET_I386 |
1730 | value = qemu_opt_get(opts, "driftfix"); | |
1731 | if (value) { | |
1732 | if (!strcmp(buf, "slew")) { | |
1733 | rtc_td_hack = 1; | |
1734 | } else if (!strcmp(buf, "none")) { | |
1735 | rtc_td_hack = 0; | |
1736 | } else { | |
1737 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1738 | exit(1); | |
1739 | } | |
1740 | } | |
1741 | #endif | |
1742 | } | |
1743 | ||
fd1dff4b | 1744 | #ifdef _WIN32 |
fd1dff4b FB |
1745 | static void socket_cleanup(void) |
1746 | { | |
1747 | WSACleanup(); | |
1748 | } | |
82c643ff | 1749 | |
fd1dff4b FB |
1750 | static int socket_init(void) |
1751 | { | |
1752 | WSADATA Data; | |
1753 | int ret, err; | |
1754 | ||
1755 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1756 | if (ret != 0) { | |
1757 | err = WSAGetLastError(); | |
1758 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1759 | return -1; | |
1760 | } | |
1761 | atexit(socket_cleanup); | |
1762 | return 0; | |
1763 | } | |
64b7b733 AJ |
1764 | #endif |
1765 | ||
1ae26a18 AZ |
1766 | /***********************************************************/ |
1767 | /* Bluetooth support */ | |
1768 | static int nb_hcis; | |
1769 | static int cur_hci; | |
1770 | static struct HCIInfo *hci_table[MAX_NICS]; | |
dc72ac14 | 1771 | |
1ae26a18 AZ |
1772 | static struct bt_vlan_s { |
1773 | struct bt_scatternet_s net; | |
1774 | int id; | |
1775 | struct bt_vlan_s *next; | |
1776 | } *first_bt_vlan; | |
1777 | ||
1778 | /* find or alloc a new bluetooth "VLAN" */ | |
674bb261 | 1779 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
1ae26a18 AZ |
1780 | { |
1781 | struct bt_vlan_s **pvlan, *vlan; | |
1782 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1783 | if (vlan->id == id) | |
1784 | return &vlan->net; | |
1785 | } | |
1786 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1787 | vlan->id = id; | |
1788 | pvlan = &first_bt_vlan; | |
1789 | while (*pvlan != NULL) | |
1790 | pvlan = &(*pvlan)->next; | |
1791 | *pvlan = vlan; | |
1792 | return &vlan->net; | |
1793 | } | |
1794 | ||
1795 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1796 | { | |
1797 | } | |
1798 | ||
1799 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1800 | { | |
1801 | return -ENOTSUP; | |
1802 | } | |
1803 | ||
1804 | static struct HCIInfo null_hci = { | |
1805 | .cmd_send = null_hci_send, | |
1806 | .sco_send = null_hci_send, | |
1807 | .acl_send = null_hci_send, | |
1808 | .bdaddr_set = null_hci_addr_set, | |
1809 | }; | |
1810 | ||
1811 | struct HCIInfo *qemu_next_hci(void) | |
1812 | { | |
1813 | if (cur_hci == nb_hcis) | |
1814 | return &null_hci; | |
1815 | ||
1816 | return hci_table[cur_hci++]; | |
1817 | } | |
1818 | ||
dc72ac14 AZ |
1819 | static struct HCIInfo *hci_init(const char *str) |
1820 | { | |
1821 | char *endp; | |
1822 | struct bt_scatternet_s *vlan = 0; | |
1823 | ||
1824 | if (!strcmp(str, "null")) | |
1825 | /* null */ | |
1826 | return &null_hci; | |
1827 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) | |
1828 | /* host[:hciN] */ | |
1829 | return bt_host_hci(str[4] ? str + 5 : "hci0"); | |
1830 | else if (!strncmp(str, "hci", 3)) { | |
1831 | /* hci[,vlan=n] */ | |
1832 | if (str[3]) { | |
1833 | if (!strncmp(str + 3, ",vlan=", 6)) { | |
1834 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); | |
1835 | if (*endp) | |
1836 | vlan = 0; | |
1837 | } | |
1838 | } else | |
1839 | vlan = qemu_find_bt_vlan(0); | |
1840 | if (vlan) | |
1841 | return bt_new_hci(vlan); | |
1842 | } | |
1843 | ||
1844 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); | |
1845 | ||
1846 | return 0; | |
1847 | } | |
1848 | ||
1849 | static int bt_hci_parse(const char *str) | |
1850 | { | |
1851 | struct HCIInfo *hci; | |
c227f099 | 1852 | bdaddr_t bdaddr; |
dc72ac14 AZ |
1853 | |
1854 | if (nb_hcis >= MAX_NICS) { | |
1855 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); | |
1856 | return -1; | |
1857 | } | |
1858 | ||
1859 | hci = hci_init(str); | |
1860 | if (!hci) | |
1861 | return -1; | |
1862 | ||
1863 | bdaddr.b[0] = 0x52; | |
1864 | bdaddr.b[1] = 0x54; | |
1865 | bdaddr.b[2] = 0x00; | |
1866 | bdaddr.b[3] = 0x12; | |
1867 | bdaddr.b[4] = 0x34; | |
1868 | bdaddr.b[5] = 0x56 + nb_hcis; | |
1869 | hci->bdaddr_set(hci, bdaddr.b); | |
1870 | ||
1871 | hci_table[nb_hcis++] = hci; | |
1872 | ||
1873 | return 0; | |
1874 | } | |
1875 | ||
1876 | static void bt_vhci_add(int vlan_id) | |
1877 | { | |
1878 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
1879 | ||
1880 | if (!vlan->slave) | |
1881 | fprintf(stderr, "qemu: warning: adding a VHCI to " | |
1882 | "an empty scatternet %i\n", vlan_id); | |
1883 | ||
1884 | bt_vhci_init(bt_new_hci(vlan)); | |
1885 | } | |
1886 | ||
1887 | static struct bt_device_s *bt_device_add(const char *opt) | |
1888 | { | |
1889 | struct bt_scatternet_s *vlan; | |
1890 | int vlan_id = 0; | |
1891 | char *endp = strstr(opt, ",vlan="); | |
1892 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
1893 | char devname[10]; | |
1894 | ||
1895 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
1896 | ||
1897 | if (endp) { | |
1898 | vlan_id = strtol(endp + 6, &endp, 0); | |
1899 | if (*endp) { | |
1900 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); | |
1901 | return 0; | |
1902 | } | |
1903 | } | |
1904 | ||
1905 | vlan = qemu_find_bt_vlan(vlan_id); | |
1906 | ||
1907 | if (!vlan->slave) | |
1908 | fprintf(stderr, "qemu: warning: adding a slave device to " | |
1909 | "an empty scatternet %i\n", vlan_id); | |
1910 | ||
1911 | if (!strcmp(devname, "keyboard")) | |
1912 | return bt_keyboard_init(vlan); | |
1913 | ||
1914 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); | |
1915 | return 0; | |
1916 | } | |
1917 | ||
1918 | static int bt_parse(const char *opt) | |
1919 | { | |
1920 | const char *endp, *p; | |
1921 | int vlan; | |
1922 | ||
1923 | if (strstart(opt, "hci", &endp)) { | |
1924 | if (!*endp || *endp == ',') { | |
1925 | if (*endp) | |
1926 | if (!strstart(endp, ",vlan=", 0)) | |
1927 | opt = endp + 1; | |
1928 | ||
1929 | return bt_hci_parse(opt); | |
1930 | } | |
1931 | } else if (strstart(opt, "vhci", &endp)) { | |
1932 | if (!*endp || *endp == ',') { | |
1933 | if (*endp) { | |
1934 | if (strstart(endp, ",vlan=", &p)) { | |
1935 | vlan = strtol(p, (char **) &endp, 0); | |
1936 | if (*endp) { | |
1937 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); | |
1938 | return 1; | |
1939 | } | |
1940 | } else { | |
1941 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); | |
1942 | return 1; | |
1943 | } | |
1944 | } else | |
1945 | vlan = 0; | |
1946 | ||
1947 | bt_vhci_add(vlan); | |
1948 | return 0; | |
1949 | } | |
1950 | } else if (strstart(opt, "device:", &endp)) | |
1951 | return !bt_device_add(endp); | |
1952 | ||
1953 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); | |
1954 | return 1; | |
1955 | } | |
1956 | ||
1ae26a18 AZ |
1957 | /***********************************************************/ |
1958 | /* QEMU Block devices */ | |
1959 | ||
609497ab | 1960 | #define HD_ALIAS "index=%d,media=disk" |
e4bcb14c | 1961 | #define CDROM_ALIAS "index=2,media=cdrom" |
e4bcb14c | 1962 | #define FD_ALIAS "index=%d,if=floppy" |
609497ab AZ |
1963 | #define PFLASH_ALIAS "if=pflash" |
1964 | #define MTD_ALIAS "if=mtd" | |
9d413d1d | 1965 | #define SD_ALIAS "index=0,if=sd" |
e4bcb14c | 1966 | |
9dfd7c7a | 1967 | QemuOpts *drive_add(const char *file, const char *fmt, ...) |
e4bcb14c TS |
1968 | { |
1969 | va_list ap; | |
9dfd7c7a GH |
1970 | char optstr[1024]; |
1971 | QemuOpts *opts; | |
e4bcb14c | 1972 | |
e4bcb14c | 1973 | va_start(ap, fmt); |
9dfd7c7a | 1974 | vsnprintf(optstr, sizeof(optstr), fmt, ap); |
e4bcb14c TS |
1975 | va_end(ap); |
1976 | ||
7282a033 | 1977 | opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL); |
9dfd7c7a GH |
1978 | if (!opts) { |
1979 | fprintf(stderr, "%s: huh? duplicate? (%s)\n", | |
1980 | __FUNCTION__, optstr); | |
1981 | return NULL; | |
1982 | } | |
1983 | if (file) | |
1984 | qemu_opt_set(opts, "file", file); | |
1985 | return opts; | |
b01b1111 AL |
1986 | } |
1987 | ||
751c6a17 | 1988 | DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
e4bcb14c | 1989 | { |
751c6a17 | 1990 | DriveInfo *dinfo; |
e4bcb14c TS |
1991 | |
1992 | /* seek interface, bus and unit */ | |
1993 | ||
72cf2d4f | 1994 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1995 | if (dinfo->type == type && |
1996 | dinfo->bus == bus && | |
1997 | dinfo->unit == unit) | |
1998 | return dinfo; | |
1999 | } | |
e4bcb14c | 2000 | |
751c6a17 | 2001 | return NULL; |
e4bcb14c TS |
2002 | } |
2003 | ||
2e810b36 | 2004 | DriveInfo *drive_get_by_id(const char *id) |
1dae12e6 GH |
2005 | { |
2006 | DriveInfo *dinfo; | |
2007 | ||
72cf2d4f | 2008 | QTAILQ_FOREACH(dinfo, &drives, next) { |
1dae12e6 GH |
2009 | if (strcmp(id, dinfo->id)) |
2010 | continue; | |
2011 | return dinfo; | |
2012 | } | |
2013 | return NULL; | |
2014 | } | |
2015 | ||
f60d39bc | 2016 | int drive_get_max_bus(BlockInterfaceType type) |
e4bcb14c TS |
2017 | { |
2018 | int max_bus; | |
751c6a17 | 2019 | DriveInfo *dinfo; |
e4bcb14c TS |
2020 | |
2021 | max_bus = -1; | |
72cf2d4f | 2022 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
2023 | if(dinfo->type == type && |
2024 | dinfo->bus > max_bus) | |
2025 | max_bus = dinfo->bus; | |
e4bcb14c TS |
2026 | } |
2027 | return max_bus; | |
2028 | } | |
2029 | ||
fa879c64 AL |
2030 | const char *drive_get_serial(BlockDriverState *bdrv) |
2031 | { | |
751c6a17 | 2032 | DriveInfo *dinfo; |
fa879c64 | 2033 | |
72cf2d4f | 2034 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
2035 | if (dinfo->bdrv == bdrv) |
2036 | return dinfo->serial; | |
2037 | } | |
fa879c64 AL |
2038 | |
2039 | return "\0"; | |
2040 | } | |
2041 | ||
f7850099 KW |
2042 | BlockInterfaceErrorAction drive_get_on_error( |
2043 | BlockDriverState *bdrv, int is_read) | |
428c5705 | 2044 | { |
751c6a17 | 2045 | DriveInfo *dinfo; |
428c5705 | 2046 | |
72cf2d4f | 2047 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 | 2048 | if (dinfo->bdrv == bdrv) |
e9b2e818 | 2049 | return is_read ? dinfo->on_read_error : dinfo->on_write_error; |
751c6a17 | 2050 | } |
428c5705 | 2051 | |
e9b2e818 | 2052 | return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC; |
428c5705 AL |
2053 | } |
2054 | ||
a1620fac AJ |
2055 | static void bdrv_format_print(void *opaque, const char *name) |
2056 | { | |
2057 | fprintf(stderr, " %s", name); | |
2058 | } | |
2059 | ||
56a14938 | 2060 | void drive_uninit(DriveInfo *dinfo) |
b01b1111 | 2061 | { |
56a14938 GH |
2062 | qemu_opts_del(dinfo->opts); |
2063 | bdrv_delete(dinfo->bdrv); | |
2064 | QTAILQ_REMOVE(&drives, dinfo, next); | |
2065 | qemu_free(dinfo); | |
b01b1111 AL |
2066 | } |
2067 | ||
e9b2e818 KW |
2068 | static int parse_block_error_action(const char *buf, int is_read) |
2069 | { | |
2070 | if (!strcmp(buf, "ignore")) { | |
2071 | return BLOCK_ERR_IGNORE; | |
2072 | } else if (!is_read && !strcmp(buf, "enospc")) { | |
2073 | return BLOCK_ERR_STOP_ENOSPC; | |
2074 | } else if (!strcmp(buf, "stop")) { | |
2075 | return BLOCK_ERR_STOP_ANY; | |
2076 | } else if (!strcmp(buf, "report")) { | |
2077 | return BLOCK_ERR_REPORT; | |
2078 | } else { | |
2079 | fprintf(stderr, "qemu: '%s' invalid %s error action\n", | |
2080 | buf, is_read ? "read" : "write"); | |
2081 | return -1; | |
2082 | } | |
2083 | } | |
2084 | ||
9dfd7c7a | 2085 | DriveInfo *drive_init(QemuOpts *opts, void *opaque, |
751c6a17 | 2086 | int *fatal_error) |
e4bcb14c | 2087 | { |
9dfd7c7a GH |
2088 | const char *buf; |
2089 | const char *file = NULL; | |
c8522bdf | 2090 | char devname[128]; |
9dfd7c7a | 2091 | const char *serial; |
c8522bdf | 2092 | const char *mediastr = ""; |
f60d39bc | 2093 | BlockInterfaceType type; |
e4bcb14c TS |
2094 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
2095 | int bus_id, unit_id; | |
2096 | int cyls, heads, secs, translation; | |
1e72d3b7 | 2097 | BlockDriver *drv = NULL; |
4d73cd3b | 2098 | QEMUMachine *machine = opaque; |
e4bcb14c TS |
2099 | int max_devs; |
2100 | int index; | |
33f00271 | 2101 | int cache; |
5c6c3a6c | 2102 | int aio = 0; |
59f2689d | 2103 | int ro = 0; |
e9b2e818 KW |
2104 | int bdrv_flags; |
2105 | int on_read_error, on_write_error; | |
c2cc47a4 | 2106 | const char *devaddr; |
751c6a17 | 2107 | DriveInfo *dinfo; |
9dfd7c7a | 2108 | int snapshot = 0; |
e4bcb14c | 2109 | |
9dfd7c7a | 2110 | *fatal_error = 1; |
e4bcb14c | 2111 | |
e4bcb14c | 2112 | translation = BIOS_ATA_TRANSLATION_AUTO; |
0aa217e4 | 2113 | cache = 1; |
e4bcb14c | 2114 | |
4d007814 | 2115 | if (machine && machine->use_scsi) { |
f60d39bc | 2116 | type = IF_SCSI; |
e4bcb14c | 2117 | max_devs = MAX_SCSI_DEVS; |
363a37d5 | 2118 | pstrcpy(devname, sizeof(devname), "scsi"); |
e4bcb14c | 2119 | } else { |
f60d39bc | 2120 | type = IF_IDE; |
e4bcb14c | 2121 | max_devs = MAX_IDE_DEVS; |
363a37d5 | 2122 | pstrcpy(devname, sizeof(devname), "ide"); |
e4bcb14c TS |
2123 | } |
2124 | media = MEDIA_DISK; | |
2125 | ||
2126 | /* extract parameters */ | |
9dfd7c7a GH |
2127 | bus_id = qemu_opt_get_number(opts, "bus", 0); |
2128 | unit_id = qemu_opt_get_number(opts, "unit", -1); | |
2129 | index = qemu_opt_get_number(opts, "index", -1); | |
e4bcb14c | 2130 | |
9dfd7c7a GH |
2131 | cyls = qemu_opt_get_number(opts, "cyls", 0); |
2132 | heads = qemu_opt_get_number(opts, "heads", 0); | |
2133 | secs = qemu_opt_get_number(opts, "secs", 0); | |
e4bcb14c | 2134 | |
9dfd7c7a | 2135 | snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
59f2689d | 2136 | ro = qemu_opt_get_bool(opts, "readonly", 0); |
e4bcb14c | 2137 | |
9dfd7c7a GH |
2138 | file = qemu_opt_get(opts, "file"); |
2139 | serial = qemu_opt_get(opts, "serial"); | |
2140 | ||
2141 | if ((buf = qemu_opt_get(opts, "if")) != NULL) { | |
ae45d369 | 2142 | pstrcpy(devname, sizeof(devname), buf); |
e4bcb14c | 2143 | if (!strcmp(buf, "ide")) { |
f60d39bc | 2144 | type = IF_IDE; |
e4bcb14c TS |
2145 | max_devs = MAX_IDE_DEVS; |
2146 | } else if (!strcmp(buf, "scsi")) { | |
f60d39bc | 2147 | type = IF_SCSI; |
e4bcb14c TS |
2148 | max_devs = MAX_SCSI_DEVS; |
2149 | } else if (!strcmp(buf, "floppy")) { | |
f60d39bc | 2150 | type = IF_FLOPPY; |
e4bcb14c TS |
2151 | max_devs = 0; |
2152 | } else if (!strcmp(buf, "pflash")) { | |
f60d39bc | 2153 | type = IF_PFLASH; |
e4bcb14c TS |
2154 | max_devs = 0; |
2155 | } else if (!strcmp(buf, "mtd")) { | |
f60d39bc | 2156 | type = IF_MTD; |
e4bcb14c TS |
2157 | max_devs = 0; |
2158 | } else if (!strcmp(buf, "sd")) { | |
f60d39bc | 2159 | type = IF_SD; |
e4bcb14c | 2160 | max_devs = 0; |
6e02c38d AL |
2161 | } else if (!strcmp(buf, "virtio")) { |
2162 | type = IF_VIRTIO; | |
2163 | max_devs = 0; | |
62d23efa AL |
2164 | } else if (!strcmp(buf, "xen")) { |
2165 | type = IF_XEN; | |
2166 | max_devs = 0; | |
a8659e90 GH |
2167 | } else if (!strcmp(buf, "none")) { |
2168 | type = IF_NONE; | |
2169 | max_devs = 0; | |
62d23efa | 2170 | } else { |
9dfd7c7a | 2171 | fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); |
751c6a17 | 2172 | return NULL; |
e4bcb14c TS |
2173 | } |
2174 | } | |
2175 | ||
e4bcb14c | 2176 | if (cyls || heads || secs) { |
5afe3f04 | 2177 | if (cyls < 1 || (type == IF_IDE && cyls > 16383)) { |
9dfd7c7a | 2178 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf); |
751c6a17 | 2179 | return NULL; |
e4bcb14c | 2180 | } |
5afe3f04 | 2181 | if (heads < 1 || (type == IF_IDE && heads > 16)) { |
9dfd7c7a | 2182 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf); |
751c6a17 | 2183 | return NULL; |
e4bcb14c | 2184 | } |
5afe3f04 | 2185 | if (secs < 1 || (type == IF_IDE && secs > 63)) { |
9dfd7c7a | 2186 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf); |
751c6a17 | 2187 | return NULL; |
e4bcb14c TS |
2188 | } |
2189 | } | |
2190 | ||
9dfd7c7a | 2191 | if ((buf = qemu_opt_get(opts, "trans")) != NULL) { |
e4bcb14c TS |
2192 | if (!cyls) { |
2193 | fprintf(stderr, | |
2194 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
9dfd7c7a | 2195 | buf); |
751c6a17 | 2196 | return NULL; |
e4bcb14c TS |
2197 | } |
2198 | if (!strcmp(buf, "none")) | |
2199 | translation = BIOS_ATA_TRANSLATION_NONE; | |
2200 | else if (!strcmp(buf, "lba")) | |
2201 | translation = BIOS_ATA_TRANSLATION_LBA; | |
2202 | else if (!strcmp(buf, "auto")) | |
2203 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2204 | else { | |
9dfd7c7a | 2205 | fprintf(stderr, "qemu: '%s' invalid translation type\n", buf); |
751c6a17 | 2206 | return NULL; |
e4bcb14c TS |
2207 | } |
2208 | } | |
2209 | ||
9dfd7c7a | 2210 | if ((buf = qemu_opt_get(opts, "media")) != NULL) { |
e4bcb14c TS |
2211 | if (!strcmp(buf, "disk")) { |
2212 | media = MEDIA_DISK; | |
2213 | } else if (!strcmp(buf, "cdrom")) { | |
2214 | if (cyls || secs || heads) { | |
2215 | fprintf(stderr, | |
9dfd7c7a | 2216 | "qemu: '%s' invalid physical CHS format\n", buf); |
751c6a17 | 2217 | return NULL; |
e4bcb14c TS |
2218 | } |
2219 | media = MEDIA_CDROM; | |
2220 | } else { | |
9dfd7c7a | 2221 | fprintf(stderr, "qemu: '%s' invalid media\n", buf); |
751c6a17 | 2222 | return NULL; |
e4bcb14c TS |
2223 | } |
2224 | } | |
2225 | ||
9dfd7c7a | 2226 | if ((buf = qemu_opt_get(opts, "cache")) != NULL) { |
9f7965c7 | 2227 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
33f00271 | 2228 | cache = 0; |
9f7965c7 | 2229 | else if (!strcmp(buf, "writethrough")) |
33f00271 | 2230 | cache = 1; |
9f7965c7 AL |
2231 | else if (!strcmp(buf, "writeback")) |
2232 | cache = 2; | |
33f00271 AZ |
2233 | else { |
2234 | fprintf(stderr, "qemu: invalid cache option\n"); | |
751c6a17 | 2235 | return NULL; |
33f00271 AZ |
2236 | } |
2237 | } | |
2238 | ||
5c6c3a6c CH |
2239 | #ifdef CONFIG_LINUX_AIO |
2240 | if ((buf = qemu_opt_get(opts, "aio")) != NULL) { | |
2241 | if (!strcmp(buf, "threads")) | |
2242 | aio = 0; | |
2243 | else if (!strcmp(buf, "native")) | |
2244 | aio = 1; | |
2245 | else { | |
2246 | fprintf(stderr, "qemu: invalid aio option\n"); | |
2247 | return NULL; | |
2248 | } | |
2249 | } | |
2250 | #endif | |
2251 | ||
9dfd7c7a | 2252 | if ((buf = qemu_opt_get(opts, "format")) != NULL) { |
a1620fac AJ |
2253 | if (strcmp(buf, "?") == 0) { |
2254 | fprintf(stderr, "qemu: Supported formats:"); | |
2255 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2256 | fprintf(stderr, "\n"); | |
751c6a17 | 2257 | return NULL; |
a1620fac | 2258 | } |
eb852011 | 2259 | drv = bdrv_find_whitelisted_format(buf); |
1e72d3b7 AJ |
2260 | if (!drv) { |
2261 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
751c6a17 | 2262 | return NULL; |
1e72d3b7 AJ |
2263 | } |
2264 | } | |
2265 | ||
e9b2e818 | 2266 | on_write_error = BLOCK_ERR_STOP_ENOSPC; |
9dfd7c7a | 2267 | if ((buf = qemu_opt_get(opts, "werror")) != NULL) { |
869a5c6d | 2268 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { |
ea8a5d7f | 2269 | fprintf(stderr, "werror is no supported by this format\n"); |
751c6a17 | 2270 | return NULL; |
428c5705 | 2271 | } |
e9b2e818 KW |
2272 | |
2273 | on_write_error = parse_block_error_action(buf, 0); | |
2274 | if (on_write_error < 0) { | |
2275 | return NULL; | |
2276 | } | |
2277 | } | |
2278 | ||
2279 | on_read_error = BLOCK_ERR_REPORT; | |
2280 | if ((buf = qemu_opt_get(opts, "rerror")) != NULL) { | |
f35d68f0 | 2281 | if (type != IF_IDE && type != IF_VIRTIO) { |
e9b2e818 KW |
2282 | fprintf(stderr, "rerror is no supported by this format\n"); |
2283 | return NULL; | |
2284 | } | |
2285 | ||
2286 | on_read_error = parse_block_error_action(buf, 1); | |
2287 | if (on_read_error < 0) { | |
751c6a17 | 2288 | return NULL; |
428c5705 AL |
2289 | } |
2290 | } | |
2291 | ||
9dfd7c7a | 2292 | if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) { |
c2cc47a4 | 2293 | if (type != IF_VIRTIO) { |
9dfd7c7a | 2294 | fprintf(stderr, "addr is not supported\n"); |
751c6a17 | 2295 | return NULL; |
c2cc47a4 | 2296 | } |
c2cc47a4 MA |
2297 | } |
2298 | ||
e4bcb14c TS |
2299 | /* compute bus and unit according index */ |
2300 | ||
2301 | if (index != -1) { | |
2302 | if (bus_id != 0 || unit_id != -1) { | |
2303 | fprintf(stderr, | |
9dfd7c7a | 2304 | "qemu: index cannot be used with bus and unit\n"); |
751c6a17 | 2305 | return NULL; |
e4bcb14c TS |
2306 | } |
2307 | if (max_devs == 0) | |
2308 | { | |
2309 | unit_id = index; | |
2310 | bus_id = 0; | |
2311 | } else { | |
2312 | unit_id = index % max_devs; | |
2313 | bus_id = index / max_devs; | |
2314 | } | |
2315 | } | |
2316 | ||
2317 | /* if user doesn't specify a unit_id, | |
2318 | * try to find the first free | |
2319 | */ | |
2320 | ||
2321 | if (unit_id == -1) { | |
2322 | unit_id = 0; | |
751c6a17 | 2323 | while (drive_get(type, bus_id, unit_id) != NULL) { |
e4bcb14c TS |
2324 | unit_id++; |
2325 | if (max_devs && unit_id >= max_devs) { | |
2326 | unit_id -= max_devs; | |
2327 | bus_id++; | |
2328 | } | |
2329 | } | |
2330 | } | |
2331 | ||
2332 | /* check unit id */ | |
2333 | ||
2334 | if (max_devs && unit_id >= max_devs) { | |
9dfd7c7a GH |
2335 | fprintf(stderr, "qemu: unit %d too big (max is %d)\n", |
2336 | unit_id, max_devs - 1); | |
751c6a17 | 2337 | return NULL; |
e4bcb14c TS |
2338 | } |
2339 | ||
2340 | /* | |
2341 | * ignore multiple definitions | |
2342 | */ | |
2343 | ||
751c6a17 GH |
2344 | if (drive_get(type, bus_id, unit_id) != NULL) { |
2345 | *fatal_error = 0; | |
2346 | return NULL; | |
2347 | } | |
e4bcb14c TS |
2348 | |
2349 | /* init */ | |
2350 | ||
751c6a17 | 2351 | dinfo = qemu_mallocz(sizeof(*dinfo)); |
e23d9c4d | 2352 | if ((buf = qemu_opts_id(opts)) != NULL) { |
9dfd7c7a GH |
2353 | dinfo->id = qemu_strdup(buf); |
2354 | } else { | |
1dae12e6 | 2355 | /* no id supplied -> create one */ |
9dfd7c7a | 2356 | dinfo->id = qemu_mallocz(32); |
1dae12e6 GH |
2357 | if (type == IF_IDE || type == IF_SCSI) |
2358 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
2359 | if (max_devs) | |
9dfd7c7a | 2360 | snprintf(dinfo->id, 32, "%s%i%s%i", |
1dae12e6 GH |
2361 | devname, bus_id, mediastr, unit_id); |
2362 | else | |
9dfd7c7a | 2363 | snprintf(dinfo->id, 32, "%s%s%i", |
1dae12e6 GH |
2364 | devname, mediastr, unit_id); |
2365 | } | |
1dae12e6 | 2366 | dinfo->bdrv = bdrv_new(dinfo->id); |
751c6a17 GH |
2367 | dinfo->devaddr = devaddr; |
2368 | dinfo->type = type; | |
2369 | dinfo->bus = bus_id; | |
2370 | dinfo->unit = unit_id; | |
e9b2e818 KW |
2371 | dinfo->on_read_error = on_read_error; |
2372 | dinfo->on_write_error = on_write_error; | |
9dfd7c7a GH |
2373 | dinfo->opts = opts; |
2374 | if (serial) | |
2375 | strncpy(dinfo->serial, serial, sizeof(serial)); | |
72cf2d4f | 2376 | QTAILQ_INSERT_TAIL(&drives, dinfo, next); |
e4bcb14c | 2377 | |
f60d39bc | 2378 | switch(type) { |
e4bcb14c TS |
2379 | case IF_IDE: |
2380 | case IF_SCSI: | |
62d23efa | 2381 | case IF_XEN: |
c219331e | 2382 | case IF_NONE: |
e4bcb14c TS |
2383 | switch(media) { |
2384 | case MEDIA_DISK: | |
2385 | if (cyls != 0) { | |
1dae12e6 GH |
2386 | bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); |
2387 | bdrv_set_translation_hint(dinfo->bdrv, translation); | |
e4bcb14c TS |
2388 | } |
2389 | break; | |
2390 | case MEDIA_CDROM: | |
1dae12e6 | 2391 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); |
e4bcb14c TS |
2392 | break; |
2393 | } | |
2394 | break; | |
2395 | case IF_SD: | |
2396 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2397 | approximation. */ | |
2398 | case IF_FLOPPY: | |
1dae12e6 | 2399 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); |
e4bcb14c TS |
2400 | break; |
2401 | case IF_PFLASH: | |
2402 | case IF_MTD: | |
2403 | break; | |
d176c495 GH |
2404 | case IF_VIRTIO: |
2405 | /* add virtio block device */ | |
2406 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
2407 | qemu_opt_set(opts, "driver", "virtio-blk-pci"); | |
2408 | qemu_opt_set(opts, "drive", dinfo->id); | |
2409 | if (devaddr) | |
2410 | qemu_opt_set(opts, "addr", devaddr); | |
2411 | break; | |
aae9460e PB |
2412 | case IF_COUNT: |
2413 | abort(); | |
e4bcb14c | 2414 | } |
9dfd7c7a | 2415 | if (!file) { |
751c6a17 GH |
2416 | *fatal_error = 0; |
2417 | return NULL; | |
2418 | } | |
33f00271 | 2419 | bdrv_flags = 0; |
9f7965c7 | 2420 | if (snapshot) { |
33f00271 | 2421 | bdrv_flags |= BDRV_O_SNAPSHOT; |
9f7965c7 AL |
2422 | cache = 2; /* always use write-back with snapshot */ |
2423 | } | |
2424 | if (cache == 0) /* no caching */ | |
2425 | bdrv_flags |= BDRV_O_NOCACHE; | |
2426 | else if (cache == 2) /* write-back */ | |
2427 | bdrv_flags |= BDRV_O_CACHE_WB; | |
5c6c3a6c CH |
2428 | |
2429 | if (aio == 1) { | |
2430 | bdrv_flags |= BDRV_O_NATIVE_AIO; | |
2431 | } else { | |
2432 | bdrv_flags &= ~BDRV_O_NATIVE_AIO; | |
2433 | } | |
2434 | ||
59f2689d NS |
2435 | if (ro == 1) { |
2436 | if (type == IF_IDE) { | |
2437 | fprintf(stderr, "qemu: readonly flag not supported for drive with ide interface\n"); | |
2438 | return NULL; | |
2439 | } | |
2440 | (void)bdrv_set_read_only(dinfo->bdrv, 1); | |
2441 | } | |
2442 | ||
1dae12e6 | 2443 | if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) { |
850810d0 JF |
2444 | fprintf(stderr, "qemu: could not open disk image %s: %s\n", |
2445 | file, strerror(errno)); | |
751c6a17 | 2446 | return NULL; |
e4bcb14c | 2447 | } |
5c6c3a6c | 2448 | |
1dae12e6 | 2449 | if (bdrv_key_required(dinfo->bdrv)) |
c0f4ce77 | 2450 | autostart = 0; |
751c6a17 GH |
2451 | *fatal_error = 0; |
2452 | return dinfo; | |
e4bcb14c TS |
2453 | } |
2454 | ||
9dfd7c7a GH |
2455 | static int drive_init_func(QemuOpts *opts, void *opaque) |
2456 | { | |
2457 | QEMUMachine *machine = opaque; | |
2458 | int fatal_error = 0; | |
2459 | ||
2460 | if (drive_init(opts, machine, &fatal_error) == NULL) { | |
2461 | if (fatal_error) | |
2462 | return 1; | |
2463 | } | |
2464 | return 0; | |
2465 | } | |
2466 | ||
2467 | static int drive_enable_snapshot(QemuOpts *opts, void *opaque) | |
2468 | { | |
2469 | if (NULL == qemu_opt_get(opts, "snapshot")) { | |
2470 | qemu_opt_set(opts, "snapshot", "on"); | |
2471 | } | |
2472 | return 0; | |
2473 | } | |
2474 | ||
76e30d0f JK |
2475 | void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) |
2476 | { | |
2477 | boot_set_handler = func; | |
2478 | boot_set_opaque = opaque; | |
2479 | } | |
2480 | ||
2481 | int qemu_boot_set(const char *boot_devices) | |
2482 | { | |
2483 | if (!boot_set_handler) { | |
2484 | return -EINVAL; | |
2485 | } | |
2486 | return boot_set_handler(boot_set_opaque, boot_devices); | |
2487 | } | |
2488 | ||
ef3adf68 JK |
2489 | static int parse_bootdevices(char *devices) |
2490 | { | |
2491 | /* We just do some generic consistency checks */ | |
2492 | const char *p; | |
2493 | int bitmap = 0; | |
2494 | ||
2495 | for (p = devices; *p != '\0'; p++) { | |
2496 | /* Allowed boot devices are: | |
2497 | * a-b: floppy disk drives | |
2498 | * c-f: IDE disk drives | |
2499 | * g-m: machine implementation dependant drives | |
2500 | * n-p: network devices | |
2501 | * It's up to each machine implementation to check if the given boot | |
2502 | * devices match the actual hardware implementation and firmware | |
2503 | * features. | |
2504 | */ | |
2505 | if (*p < 'a' || *p > 'p') { | |
2506 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
2507 | exit(1); | |
2508 | } | |
2509 | if (bitmap & (1 << (*p - 'a'))) { | |
2510 | fprintf(stderr, "Boot device '%c' was given twice\n", *p); | |
2511 | exit(1); | |
2512 | } | |
2513 | bitmap |= 1 << (*p - 'a'); | |
2514 | } | |
2515 | return bitmap; | |
2516 | } | |
2517 | ||
e0f084bf JK |
2518 | static void restore_boot_devices(void *opaque) |
2519 | { | |
2520 | char *standard_boot_devices = opaque; | |
2521 | ||
2522 | qemu_boot_set(standard_boot_devices); | |
2523 | ||
2524 | qemu_unregister_reset(restore_boot_devices, standard_boot_devices); | |
2525 | qemu_free(standard_boot_devices); | |
2526 | } | |
2527 | ||
268a362c AL |
2528 | static void numa_add(const char *optarg) |
2529 | { | |
2530 | char option[128]; | |
2531 | char *endptr; | |
2532 | unsigned long long value, endvalue; | |
2533 | int nodenr; | |
2534 | ||
2535 | optarg = get_opt_name(option, 128, optarg, ',') + 1; | |
2536 | if (!strcmp(option, "node")) { | |
2537 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { | |
2538 | nodenr = nb_numa_nodes; | |
2539 | } else { | |
2540 | nodenr = strtoull(option, NULL, 10); | |
2541 | } | |
2542 | ||
2543 | if (get_param_value(option, 128, "mem", optarg) == 0) { | |
2544 | node_mem[nodenr] = 0; | |
2545 | } else { | |
2546 | value = strtoull(option, &endptr, 0); | |
2547 | switch (*endptr) { | |
2548 | case 0: case 'M': case 'm': | |
2549 | value <<= 20; | |
2550 | break; | |
2551 | case 'G': case 'g': | |
2552 | value <<= 30; | |
2553 | break; | |
2554 | } | |
2555 | node_mem[nodenr] = value; | |
2556 | } | |
2557 | if (get_param_value(option, 128, "cpus", optarg) == 0) { | |
2558 | node_cpumask[nodenr] = 0; | |
2559 | } else { | |
2560 | value = strtoull(option, &endptr, 10); | |
2561 | if (value >= 64) { | |
2562 | value = 63; | |
2563 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); | |
2564 | } else { | |
2565 | if (*endptr == '-') { | |
2566 | endvalue = strtoull(endptr+1, &endptr, 10); | |
2567 | if (endvalue >= 63) { | |
2568 | endvalue = 62; | |
2569 | fprintf(stderr, | |
2570 | "only 63 CPUs in NUMA mode supported.\n"); | |
2571 | } | |
2572 | value = (1 << (endvalue + 1)) - (1 << value); | |
2573 | } else { | |
2574 | value = 1 << value; | |
2575 | } | |
2576 | } | |
2577 | node_cpumask[nodenr] = value; | |
2578 | } | |
2579 | nb_numa_nodes++; | |
2580 | } | |
2581 | return; | |
2582 | } | |
2583 | ||
dc6b1c09 AP |
2584 | static void smp_parse(const char *optarg) |
2585 | { | |
2586 | int smp, sockets = 0, threads = 0, cores = 0; | |
2587 | char *endptr; | |
2588 | char option[128]; | |
2589 | ||
2590 | smp = strtoul(optarg, &endptr, 10); | |
2591 | if (endptr != optarg) { | |
2592 | if (*endptr == ',') { | |
2593 | endptr++; | |
2594 | } | |
2595 | } | |
2596 | if (get_param_value(option, 128, "sockets", endptr) != 0) | |
2597 | sockets = strtoull(option, NULL, 10); | |
2598 | if (get_param_value(option, 128, "cores", endptr) != 0) | |
2599 | cores = strtoull(option, NULL, 10); | |
2600 | if (get_param_value(option, 128, "threads", endptr) != 0) | |
2601 | threads = strtoull(option, NULL, 10); | |
2602 | if (get_param_value(option, 128, "maxcpus", endptr) != 0) | |
2603 | max_cpus = strtoull(option, NULL, 10); | |
2604 | ||
2605 | /* compute missing values, prefer sockets over cores over threads */ | |
2606 | if (smp == 0 || sockets == 0) { | |
2607 | sockets = sockets > 0 ? sockets : 1; | |
2608 | cores = cores > 0 ? cores : 1; | |
2609 | threads = threads > 0 ? threads : 1; | |
2610 | if (smp == 0) { | |
2611 | smp = cores * threads * sockets; | |
2612 | } else { | |
2613 | sockets = smp / (cores * threads); | |
2614 | } | |
2615 | } else { | |
2616 | if (cores == 0) { | |
2617 | threads = threads > 0 ? threads : 1; | |
2618 | cores = smp / (sockets * threads); | |
2619 | } else { | |
2620 | if (sockets == 0) { | |
2621 | sockets = smp / (cores * threads); | |
2622 | } else { | |
2623 | threads = smp / (cores * sockets); | |
2624 | } | |
2625 | } | |
2626 | } | |
2627 | smp_cpus = smp; | |
2628 | smp_cores = cores > 0 ? cores : 1; | |
2629 | smp_threads = threads > 0 ? threads : 1; | |
2630 | if (max_cpus == 0) | |
2631 | max_cpus = smp_cpus; | |
2632 | } | |
2633 | ||
a594cfbf FB |
2634 | /***********************************************************/ |
2635 | /* USB devices */ | |
2636 | ||
c0f4ce77 | 2637 | static int usb_device_add(const char *devname, int is_hotplug) |
a594cfbf FB |
2638 | { |
2639 | const char *p; | |
a5d2f727 | 2640 | USBDevice *dev = NULL; |
a594cfbf | 2641 | |
a5d2f727 | 2642 | if (!usb_enabled) |
a594cfbf FB |
2643 | return -1; |
2644 | ||
0958b4cc GH |
2645 | /* drivers with .usbdevice_name entry in USBDeviceInfo */ |
2646 | dev = usbdevice_create(devname); | |
2647 | if (dev) | |
2648 | goto done; | |
2649 | ||
a5d2f727 | 2650 | /* the other ones */ |
a594cfbf FB |
2651 | if (strstart(devname, "host:", &p)) { |
2652 | dev = usb_host_device_open(p); | |
6c9f886c | 2653 | } else if (strstart(devname, "net:", &p)) { |
13cf8f21 MM |
2654 | QemuOpts *opts; |
2655 | int idx; | |
6c9f886c | 2656 | |
13cf8f21 MM |
2657 | opts = qemu_opts_parse(&qemu_net_opts, p, NULL); |
2658 | if (!opts) { | |
6c9f886c | 2659 | return -1; |
13cf8f21 MM |
2660 | } |
2661 | ||
2662 | qemu_opt_set(opts, "type", "nic"); | |
2663 | qemu_opt_set(opts, "model", "usb"); | |
2664 | ||
f6b134ac | 2665 | idx = net_client_init(NULL, opts, 0); |
13cf8f21 MM |
2666 | if (idx == -1) { |
2667 | return -1; | |
2668 | } | |
2669 | ||
2670 | dev = usb_net_init(&nd_table[idx]); | |
dc72ac14 AZ |
2671 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
2672 | dev = usb_bt_init(devname[2] ? hci_init(p) : | |
2673 | bt_new_hci(qemu_find_bt_vlan(0))); | |
a594cfbf FB |
2674 | } else { |
2675 | return -1; | |
2676 | } | |
0d92ed30 PB |
2677 | if (!dev) |
2678 | return -1; | |
2679 | ||
a5d2f727 | 2680 | done: |
a594cfbf FB |
2681 | return 0; |
2682 | } | |
2683 | ||
1f3870ab AL |
2684 | static int usb_device_del(const char *devname) |
2685 | { | |
2686 | int bus_num, addr; | |
2687 | const char *p; | |
2688 | ||
5d0c5750 AL |
2689 | if (strstart(devname, "host:", &p)) |
2690 | return usb_host_device_close(p); | |
2691 | ||
a5d2f727 | 2692 | if (!usb_enabled) |
1f3870ab AL |
2693 | return -1; |
2694 | ||
2695 | p = strchr(devname, '.'); | |
2696 | if (!p) | |
2697 | return -1; | |
2698 | bus_num = strtoul(devname, NULL, 0); | |
2699 | addr = strtoul(p + 1, NULL, 0); | |
2700 | ||
a5d2f727 | 2701 | return usb_device_delete_addr(bus_num, addr); |
1f3870ab AL |
2702 | } |
2703 | ||
bd3c948d GH |
2704 | static int usb_parse(const char *cmdline) |
2705 | { | |
2706 | return usb_device_add(cmdline, 0); | |
2707 | } | |
2708 | ||
d54908a5 | 2709 | void do_usb_add(Monitor *mon, const QDict *qdict) |
a594cfbf | 2710 | { |
d54908a5 | 2711 | usb_device_add(qdict_get_str(qdict, "devname"), 1); |
a594cfbf FB |
2712 | } |
2713 | ||
d54908a5 | 2714 | void do_usb_del(Monitor *mon, const QDict *qdict) |
a594cfbf | 2715 | { |
d54908a5 | 2716 | usb_device_del(qdict_get_str(qdict, "devname")); |
a594cfbf FB |
2717 | } |
2718 | ||
201a51fc AZ |
2719 | /***********************************************************/ |
2720 | /* PCMCIA/Cardbus */ | |
2721 | ||
2722 | static struct pcmcia_socket_entry_s { | |
bc24a225 | 2723 | PCMCIASocket *socket; |
201a51fc AZ |
2724 | struct pcmcia_socket_entry_s *next; |
2725 | } *pcmcia_sockets = 0; | |
2726 | ||
bc24a225 | 2727 | void pcmcia_socket_register(PCMCIASocket *socket) |
201a51fc AZ |
2728 | { |
2729 | struct pcmcia_socket_entry_s *entry; | |
2730 | ||
2731 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2732 | entry->socket = socket; | |
2733 | entry->next = pcmcia_sockets; | |
2734 | pcmcia_sockets = entry; | |
2735 | } | |
2736 | ||
bc24a225 | 2737 | void pcmcia_socket_unregister(PCMCIASocket *socket) |
201a51fc AZ |
2738 | { |
2739 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2740 | ||
2741 | ptr = &pcmcia_sockets; | |
2742 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2743 | if (entry->socket == socket) { | |
2744 | *ptr = entry->next; | |
2745 | qemu_free(entry); | |
2746 | } | |
2747 | } | |
2748 | ||
376253ec | 2749 | void pcmcia_info(Monitor *mon) |
201a51fc AZ |
2750 | { |
2751 | struct pcmcia_socket_entry_s *iter; | |
376253ec | 2752 | |
201a51fc | 2753 | if (!pcmcia_sockets) |
376253ec | 2754 | monitor_printf(mon, "No PCMCIA sockets\n"); |
201a51fc AZ |
2755 | |
2756 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
376253ec AL |
2757 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
2758 | iter->socket->attached ? iter->socket->card_string : | |
2759 | "Empty"); | |
201a51fc AZ |
2760 | } |
2761 | ||
2ff89790 | 2762 | /***********************************************************/ |
3023f332 AL |
2763 | /* register display */ |
2764 | ||
7b5d76da AL |
2765 | struct DisplayAllocator default_allocator = { |
2766 | defaultallocator_create_displaysurface, | |
2767 | defaultallocator_resize_displaysurface, | |
2768 | defaultallocator_free_displaysurface | |
2769 | }; | |
2770 | ||
3023f332 AL |
2771 | void register_displaystate(DisplayState *ds) |
2772 | { | |
2773 | DisplayState **s; | |
2774 | s = &display_state; | |
2775 | while (*s != NULL) | |
2776 | s = &(*s)->next; | |
2777 | ds->next = NULL; | |
2778 | *s = ds; | |
2779 | } | |
2780 | ||
2781 | DisplayState *get_displaystate(void) | |
2782 | { | |
2783 | return display_state; | |
2784 | } | |
2785 | ||
7b5d76da AL |
2786 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
2787 | { | |
2788 | if(ds->allocator == &default_allocator) ds->allocator = da; | |
2789 | return ds->allocator; | |
2790 | } | |
2791 | ||
2ff89790 TS |
2792 | /* dumb display */ |
2793 | ||
8f391ab4 | 2794 | static void dumb_display_init(void) |
2ff89790 | 2795 | { |
8f391ab4 | 2796 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
7b5d76da AL |
2797 | ds->allocator = &default_allocator; |
2798 | ds->surface = qemu_create_displaysurface(ds, 640, 480); | |
8f391ab4 | 2799 | register_displaystate(ds); |
2ff89790 TS |
2800 | } |
2801 | ||
8a7ddc38 FB |
2802 | /***********************************************************/ |
2803 | /* I/O handling */ | |
0824d6fc | 2804 | |
c4b1fcc0 FB |
2805 | typedef struct IOHandlerRecord { |
2806 | int fd; | |
7c9d8e07 FB |
2807 | IOCanRWHandler *fd_read_poll; |
2808 | IOHandler *fd_read; | |
2809 | IOHandler *fd_write; | |
cafffd40 | 2810 | int deleted; |
c4b1fcc0 FB |
2811 | void *opaque; |
2812 | /* temporary data */ | |
2813 | struct pollfd *ufd; | |
8a7ddc38 | 2814 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
2815 | } IOHandlerRecord; |
2816 | ||
8a7ddc38 | 2817 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 2818 | |
7c9d8e07 FB |
2819 | /* XXX: fd_read_poll should be suppressed, but an API change is |
2820 | necessary in the character devices to suppress fd_can_read(). */ | |
5fafdf24 TS |
2821 | int qemu_set_fd_handler2(int fd, |
2822 | IOCanRWHandler *fd_read_poll, | |
2823 | IOHandler *fd_read, | |
2824 | IOHandler *fd_write, | |
7c9d8e07 | 2825 | void *opaque) |
c4b1fcc0 | 2826 | { |
7c9d8e07 | 2827 | IOHandlerRecord **pioh, *ioh; |
c4b1fcc0 | 2828 | |
7c9d8e07 FB |
2829 | if (!fd_read && !fd_write) { |
2830 | pioh = &first_io_handler; | |
2831 | for(;;) { | |
2832 | ioh = *pioh; | |
2833 | if (ioh == NULL) | |
2834 | break; | |
2835 | if (ioh->fd == fd) { | |
cafffd40 | 2836 | ioh->deleted = 1; |
7c9d8e07 FB |
2837 | break; |
2838 | } | |
2839 | pioh = &ioh->next; | |
2840 | } | |
2841 | } else { | |
2842 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2843 | if (ioh->fd == fd) | |
2844 | goto found; | |
2845 | } | |
2846 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
7c9d8e07 FB |
2847 | ioh->next = first_io_handler; |
2848 | first_io_handler = ioh; | |
2849 | found: | |
2850 | ioh->fd = fd; | |
2851 | ioh->fd_read_poll = fd_read_poll; | |
2852 | ioh->fd_read = fd_read; | |
2853 | ioh->fd_write = fd_write; | |
2854 | ioh->opaque = opaque; | |
cafffd40 | 2855 | ioh->deleted = 0; |
7c9d8e07 | 2856 | } |
c4b1fcc0 FB |
2857 | return 0; |
2858 | } | |
2859 | ||
5fafdf24 TS |
2860 | int qemu_set_fd_handler(int fd, |
2861 | IOHandler *fd_read, | |
2862 | IOHandler *fd_write, | |
7c9d8e07 | 2863 | void *opaque) |
8a7ddc38 | 2864 | { |
7c9d8e07 | 2865 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
8a7ddc38 FB |
2866 | } |
2867 | ||
56f3a5d0 | 2868 | #ifdef _WIN32 |
f331110f FB |
2869 | /***********************************************************/ |
2870 | /* Polling handling */ | |
2871 | ||
2872 | typedef struct PollingEntry { | |
2873 | PollingFunc *func; | |
2874 | void *opaque; | |
2875 | struct PollingEntry *next; | |
2876 | } PollingEntry; | |
2877 | ||
2878 | static PollingEntry *first_polling_entry; | |
2879 | ||
2880 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2881 | { | |
2882 | PollingEntry **ppe, *pe; | |
2883 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
f331110f FB |
2884 | pe->func = func; |
2885 | pe->opaque = opaque; | |
2886 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2887 | *ppe = pe; | |
2888 | return 0; | |
2889 | } | |
2890 | ||
2891 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2892 | { | |
2893 | PollingEntry **ppe, *pe; | |
2894 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2895 | pe = *ppe; | |
2896 | if (pe->func == func && pe->opaque == opaque) { | |
2897 | *ppe = pe->next; | |
2898 | qemu_free(pe); | |
2899 | break; | |
2900 | } | |
2901 | } | |
2902 | } | |
2903 | ||
a18e524a FB |
2904 | /***********************************************************/ |
2905 | /* Wait objects support */ | |
2906 | typedef struct WaitObjects { | |
2907 | int num; | |
2908 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
2909 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
2910 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
2911 | } WaitObjects; | |
2912 | ||
2913 | static WaitObjects wait_objects = {0}; | |
3b46e624 | 2914 | |
a18e524a FB |
2915 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
2916 | { | |
2917 | WaitObjects *w = &wait_objects; | |
2918 | ||
2919 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
2920 | return -1; | |
2921 | w->events[w->num] = handle; | |
2922 | w->func[w->num] = func; | |
2923 | w->opaque[w->num] = opaque; | |
2924 | w->num++; | |
2925 | return 0; | |
2926 | } | |
2927 | ||
2928 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2929 | { | |
2930 | int i, found; | |
2931 | WaitObjects *w = &wait_objects; | |
2932 | ||
2933 | found = 0; | |
2934 | for (i = 0; i < w->num; i++) { | |
2935 | if (w->events[i] == handle) | |
2936 | found = 1; | |
2937 | if (found) { | |
2938 | w->events[i] = w->events[i + 1]; | |
2939 | w->func[i] = w->func[i + 1]; | |
2940 | w->opaque[i] = w->opaque[i + 1]; | |
3b46e624 | 2941 | } |
a18e524a FB |
2942 | } |
2943 | if (found) | |
2944 | w->num--; | |
2945 | } | |
2946 | #endif | |
2947 | ||
8a7ddc38 FB |
2948 | /***********************************************************/ |
2949 | /* ram save/restore */ | |
2950 | ||
94fb0909 | 2951 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
475e4277 AL |
2952 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
2953 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
2954 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
2955 | #define RAM_SAVE_FLAG_EOS 0x10 | |
2956 | ||
2957 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
8a7ddc38 | 2958 | { |
475e4277 AL |
2959 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
2960 | uint32_t *array = (uint32_t *)page; | |
2961 | int i; | |
3b46e624 | 2962 | |
475e4277 AL |
2963 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
2964 | if (array[i] != val) | |
2965 | return 0; | |
2966 | } | |
2967 | ||
2968 | return 1; | |
2969 | } | |
2970 | ||
2971 | static int ram_save_block(QEMUFile *f) | |
2972 | { | |
c227f099 AL |
2973 | static ram_addr_t current_addr = 0; |
2974 | ram_addr_t saved_addr = current_addr; | |
2975 | ram_addr_t addr = 0; | |
475e4277 AL |
2976 | int found = 0; |
2977 | ||
94a6b54f | 2978 | while (addr < last_ram_offset) { |
475e4277 | 2979 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
5579c7f3 | 2980 | uint8_t *p; |
475e4277 AL |
2981 | |
2982 | cpu_physical_memory_reset_dirty(current_addr, | |
2983 | current_addr + TARGET_PAGE_SIZE, | |
2984 | MIGRATION_DIRTY_FLAG); | |
2985 | ||
5579c7f3 | 2986 | p = qemu_get_ram_ptr(current_addr); |
475e4277 | 2987 | |
5579c7f3 | 2988 | if (is_dup_page(p, *p)) { |
475e4277 | 2989 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
5579c7f3 | 2990 | qemu_put_byte(f, *p); |
475e4277 AL |
2991 | } else { |
2992 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
5579c7f3 | 2993 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
c88676f8 | 2994 | } |
475e4277 AL |
2995 | |
2996 | found = 1; | |
2997 | break; | |
c88676f8 | 2998 | } |
475e4277 | 2999 | addr += TARGET_PAGE_SIZE; |
94a6b54f | 3000 | current_addr = (saved_addr + addr) % last_ram_offset; |
8a7ddc38 | 3001 | } |
475e4277 AL |
3002 | |
3003 | return found; | |
8a7ddc38 FB |
3004 | } |
3005 | ||
84307938 | 3006 | static uint64_t bytes_transferred; |
475e4277 | 3007 | |
c227f099 | 3008 | static ram_addr_t ram_save_remaining(void) |
475e4277 | 3009 | { |
c227f099 AL |
3010 | ram_addr_t addr; |
3011 | ram_addr_t count = 0; | |
475e4277 | 3012 | |
94a6b54f | 3013 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
3014 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
3015 | count++; | |
3016 | } | |
3017 | ||
3018 | return count; | |
3019 | } | |
3020 | ||
9f9e28cd GC |
3021 | uint64_t ram_bytes_remaining(void) |
3022 | { | |
3023 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
3024 | } | |
3025 | ||
3026 | uint64_t ram_bytes_transferred(void) | |
3027 | { | |
3028 | return bytes_transferred; | |
3029 | } | |
3030 | ||
3031 | uint64_t ram_bytes_total(void) | |
3032 | { | |
3033 | return last_ram_offset; | |
3034 | } | |
3035 | ||
f327aa0c | 3036 | static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
475e4277 | 3037 | { |
c227f099 | 3038 | ram_addr_t addr; |
a0a3fd60 GC |
3039 | uint64_t bytes_transferred_last; |
3040 | double bwidth = 0; | |
3041 | uint64_t expected_time = 0; | |
475e4277 | 3042 | |
4ec7fcc7 JK |
3043 | if (stage < 0) { |
3044 | cpu_physical_memory_set_dirty_tracking(0); | |
3045 | return 0; | |
3046 | } | |
3047 | ||
9fa06385 | 3048 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
b0a46a33 JK |
3049 | qemu_file_set_error(f); |
3050 | return 0; | |
3051 | } | |
3052 | ||
475e4277 | 3053 | if (stage == 1) { |
84307938 JK |
3054 | bytes_transferred = 0; |
3055 | ||
475e4277 | 3056 | /* Make sure all dirty bits are set */ |
94a6b54f | 3057 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
3058 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
3059 | cpu_physical_memory_set_dirty(addr); | |
3060 | } | |
b0a46a33 | 3061 | |
475e4277 AL |
3062 | /* Enable dirty memory tracking */ |
3063 | cpu_physical_memory_set_dirty_tracking(1); | |
3064 | ||
94a6b54f | 3065 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
475e4277 AL |
3066 | } |
3067 | ||
a0a3fd60 GC |
3068 | bytes_transferred_last = bytes_transferred; |
3069 | bwidth = get_clock(); | |
3070 | ||
475e4277 AL |
3071 | while (!qemu_file_rate_limit(f)) { |
3072 | int ret; | |
3073 | ||
3074 | ret = ram_save_block(f); | |
9f9e28cd | 3075 | bytes_transferred += ret * TARGET_PAGE_SIZE; |
475e4277 AL |
3076 | if (ret == 0) /* no more blocks */ |
3077 | break; | |
3078 | } | |
3079 | ||
a0a3fd60 GC |
3080 | bwidth = get_clock() - bwidth; |
3081 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
3082 | ||
3083 | /* if we haven't transferred anything this round, force expected_time to a | |
3084 | * a very high value, but without crashing */ | |
3085 | if (bwidth == 0) | |
3086 | bwidth = 0.000001; | |
3087 | ||
475e4277 | 3088 | /* try transferring iterative blocks of memory */ |
475e4277 | 3089 | if (stage == 3) { |
475e4277 | 3090 | /* flush all remaining blocks regardless of rate limiting */ |
9f9e28cd GC |
3091 | while (ram_save_block(f) != 0) { |
3092 | bytes_transferred += TARGET_PAGE_SIZE; | |
3093 | } | |
8215e914 | 3094 | cpu_physical_memory_set_dirty_tracking(0); |
475e4277 AL |
3095 | } |
3096 | ||
3097 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
3098 | ||
a0a3fd60 GC |
3099 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
3100 | ||
3101 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
475e4277 AL |
3102 | } |
3103 | ||
475e4277 AL |
3104 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
3105 | { | |
c227f099 | 3106 | ram_addr_t addr; |
475e4277 AL |
3107 | int flags; |
3108 | ||
475e4277 AL |
3109 | if (version_id != 3) |
3110 | return -EINVAL; | |
3111 | ||
3112 | do { | |
3113 | addr = qemu_get_be64(f); | |
3114 | ||
3115 | flags = addr & ~TARGET_PAGE_MASK; | |
3116 | addr &= TARGET_PAGE_MASK; | |
3117 | ||
3118 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
94a6b54f | 3119 | if (addr != last_ram_offset) |
475e4277 AL |
3120 | return -EINVAL; |
3121 | } | |
3122 | ||
475e4277 AL |
3123 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
3124 | uint8_t ch = qemu_get_byte(f); | |
779c6bef AL |
3125 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
3126 | #ifndef _WIN32 | |
30868442 AL |
3127 | if (ch == 0 && |
3128 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
3129 | madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED); | |
779c6bef | 3130 | } |
30868442 | 3131 | #endif |
9a743e5b | 3132 | } else if (flags & RAM_SAVE_FLAG_PAGE) { |
5579c7f3 | 3133 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
9a743e5b JK |
3134 | } |
3135 | if (qemu_file_has_error(f)) { | |
3136 | return -EIO; | |
3137 | } | |
475e4277 AL |
3138 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
3139 | ||
8a7ddc38 FB |
3140 | return 0; |
3141 | } | |
3142 | ||
9e472e10 AL |
3143 | void qemu_service_io(void) |
3144 | { | |
d9f75a4e | 3145 | qemu_notify_event(); |
9e472e10 AL |
3146 | } |
3147 | ||
cc1daa40 FB |
3148 | /***********************************************************/ |
3149 | /* machine registration */ | |
3150 | ||
bdaf78e0 | 3151 | static QEMUMachine *first_machine = NULL; |
6f338c34 | 3152 | QEMUMachine *current_machine = NULL; |
cc1daa40 FB |
3153 | |
3154 | int qemu_register_machine(QEMUMachine *m) | |
3155 | { | |
3156 | QEMUMachine **pm; | |
3157 | pm = &first_machine; | |
3158 | while (*pm != NULL) | |
3159 | pm = &(*pm)->next; | |
3160 | m->next = NULL; | |
3161 | *pm = m; | |
3162 | return 0; | |
3163 | } | |
3164 | ||
9596ebb7 | 3165 | static QEMUMachine *find_machine(const char *name) |
cc1daa40 FB |
3166 | { |
3167 | QEMUMachine *m; | |
3168 | ||
3169 | for(m = first_machine; m != NULL; m = m->next) { | |
3170 | if (!strcmp(m->name, name)) | |
3171 | return m; | |
3f6599e6 MM |
3172 | if (m->alias && !strcmp(m->alias, name)) |
3173 | return m; | |
cc1daa40 FB |
3174 | } |
3175 | return NULL; | |
3176 | } | |
3177 | ||
0c257437 AL |
3178 | static QEMUMachine *find_default_machine(void) |
3179 | { | |
3180 | QEMUMachine *m; | |
3181 | ||
3182 | for(m = first_machine; m != NULL; m = m->next) { | |
3183 | if (m->is_default) { | |
3184 | return m; | |
3185 | } | |
3186 | } | |
3187 | return NULL; | |
3188 | } | |
3189 | ||
8a7ddc38 FB |
3190 | /***********************************************************/ |
3191 | /* main execution loop */ | |
3192 | ||
9596ebb7 | 3193 | static void gui_update(void *opaque) |
8a7ddc38 | 3194 | { |
7d957bd8 | 3195 | uint64_t interval = GUI_REFRESH_INTERVAL; |
740733bb | 3196 | DisplayState *ds = opaque; |
7d957bd8 AL |
3197 | DisplayChangeListener *dcl = ds->listeners; |
3198 | ||
3199 | dpy_refresh(ds); | |
3200 | ||
3201 | while (dcl != NULL) { | |
3202 | if (dcl->gui_timer_interval && | |
3203 | dcl->gui_timer_interval < interval) | |
3204 | interval = dcl->gui_timer_interval; | |
3205 | dcl = dcl->next; | |
3206 | } | |
3207 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); | |
8a7ddc38 FB |
3208 | } |
3209 | ||
9043b62d BS |
3210 | static void nographic_update(void *opaque) |
3211 | { | |
3212 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
3213 | ||
3214 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); | |
3215 | } | |
3216 | ||
0bd48850 FB |
3217 | struct vm_change_state_entry { |
3218 | VMChangeStateHandler *cb; | |
3219 | void *opaque; | |
72cf2d4f | 3220 | QLIST_ENTRY (vm_change_state_entry) entries; |
0bd48850 FB |
3221 | }; |
3222 | ||
72cf2d4f | 3223 | static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; |
0bd48850 FB |
3224 | |
3225 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3226 | void *opaque) | |
3227 | { | |
3228 | VMChangeStateEntry *e; | |
3229 | ||
3230 | e = qemu_mallocz(sizeof (*e)); | |
0bd48850 FB |
3231 | |
3232 | e->cb = cb; | |
3233 | e->opaque = opaque; | |
72cf2d4f | 3234 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
0bd48850 FB |
3235 | return e; |
3236 | } | |
3237 | ||
3238 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3239 | { | |
72cf2d4f | 3240 | QLIST_REMOVE (e, entries); |
0bd48850 FB |
3241 | qemu_free (e); |
3242 | } | |
3243 | ||
9781e040 | 3244 | static void vm_state_notify(int running, int reason) |
0bd48850 FB |
3245 | { |
3246 | VMChangeStateEntry *e; | |
3247 | ||
3248 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
9781e040 | 3249 | e->cb(e->opaque, running, reason); |
0bd48850 FB |
3250 | } |
3251 | } | |
3252 | ||
d6dc3d42 AL |
3253 | static void resume_all_vcpus(void); |
3254 | static void pause_all_vcpus(void); | |
3255 | ||
8a7ddc38 FB |
3256 | void vm_start(void) |
3257 | { | |
3258 | if (!vm_running) { | |
3259 | cpu_enable_ticks(); | |
3260 | vm_running = 1; | |
9781e040 | 3261 | vm_state_notify(1, 0); |
efe75411 | 3262 | qemu_rearm_alarm_timer(alarm_timer); |
d6dc3d42 | 3263 | resume_all_vcpus(); |
8a7ddc38 FB |
3264 | } |
3265 | } | |
3266 | ||
bb0c6722 FB |
3267 | /* reset/shutdown handler */ |
3268 | ||
3269 | typedef struct QEMUResetEntry { | |
72cf2d4f | 3270 | QTAILQ_ENTRY(QEMUResetEntry) entry; |
bb0c6722 FB |
3271 | QEMUResetHandler *func; |
3272 | void *opaque; | |
bb0c6722 FB |
3273 | } QEMUResetEntry; |
3274 | ||
72cf2d4f BS |
3275 | static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = |
3276 | QTAILQ_HEAD_INITIALIZER(reset_handlers); | |
bb0c6722 FB |
3277 | static int reset_requested; |
3278 | static int shutdown_requested; | |
3475187d | 3279 | static int powerdown_requested; |
e568902a | 3280 | static int debug_requested; |
6e29f5da | 3281 | static int vmstop_requested; |
bb0c6722 | 3282 | |
cf7a2fe2 AJ |
3283 | int qemu_shutdown_requested(void) |
3284 | { | |
3285 | int r = shutdown_requested; | |
3286 | shutdown_requested = 0; | |
3287 | return r; | |
3288 | } | |
3289 | ||
3290 | int qemu_reset_requested(void) | |
3291 | { | |
3292 | int r = reset_requested; | |
3293 | reset_requested = 0; | |
3294 | return r; | |
3295 | } | |
3296 | ||
3297 | int qemu_powerdown_requested(void) | |
3298 | { | |
3299 | int r = powerdown_requested; | |
3300 | powerdown_requested = 0; | |
3301 | return r; | |
3302 | } | |
3303 | ||
e568902a AL |
3304 | static int qemu_debug_requested(void) |
3305 | { | |
3306 | int r = debug_requested; | |
3307 | debug_requested = 0; | |
3308 | return r; | |
3309 | } | |
3310 | ||
6e29f5da AL |
3311 | static int qemu_vmstop_requested(void) |
3312 | { | |
3313 | int r = vmstop_requested; | |
3314 | vmstop_requested = 0; | |
3315 | return r; | |
3316 | } | |
3317 | ||
3318 | static void do_vm_stop(int reason) | |
3319 | { | |
3320 | if (vm_running) { | |
3321 | cpu_disable_ticks(); | |
3322 | vm_running = 0; | |
d6dc3d42 | 3323 | pause_all_vcpus(); |
6e29f5da AL |
3324 | vm_state_notify(0, reason); |
3325 | } | |
3326 | } | |
3327 | ||
a08d4367 | 3328 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 | 3329 | { |
55ddfe8e | 3330 | QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry)); |
bb0c6722 | 3331 | |
bb0c6722 FB |
3332 | re->func = func; |
3333 | re->opaque = opaque; | |
72cf2d4f | 3334 | QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); |
bb0c6722 FB |
3335 | } |
3336 | ||
dda9b29f | 3337 | void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 FB |
3338 | { |
3339 | QEMUResetEntry *re; | |
3340 | ||
72cf2d4f | 3341 | QTAILQ_FOREACH(re, &reset_handlers, entry) { |
dda9b29f | 3342 | if (re->func == func && re->opaque == opaque) { |
72cf2d4f | 3343 | QTAILQ_REMOVE(&reset_handlers, re, entry); |
dda9b29f JK |
3344 | qemu_free(re); |
3345 | return; | |
3346 | } | |
3347 | } | |
3348 | } | |
3349 | ||
3350 | void qemu_system_reset(void) | |
3351 | { | |
3352 | QEMUResetEntry *re, *nre; | |
3353 | ||
3354 | /* reset all devices */ | |
72cf2d4f | 3355 | QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { |
bb0c6722 FB |
3356 | re->func(re->opaque); |
3357 | } | |
3358 | } | |
3359 | ||
3360 | void qemu_system_reset_request(void) | |
3361 | { | |
d1beab82 FB |
3362 | if (no_reboot) { |
3363 | shutdown_requested = 1; | |
3364 | } else { | |
3365 | reset_requested = 1; | |
3366 | } | |
d9f75a4e | 3367 | qemu_notify_event(); |
bb0c6722 FB |
3368 | } |
3369 | ||
3370 | void qemu_system_shutdown_request(void) | |
3371 | { | |
3372 | shutdown_requested = 1; | |
d9f75a4e | 3373 | qemu_notify_event(); |
bb0c6722 FB |
3374 | } |
3375 | ||
3475187d FB |
3376 | void qemu_system_powerdown_request(void) |
3377 | { | |
3378 | powerdown_requested = 1; | |
d9f75a4e AL |
3379 | qemu_notify_event(); |
3380 | } | |
3381 | ||
d6dc3d42 AL |
3382 | #ifdef CONFIG_IOTHREAD |
3383 | static void qemu_system_vmstop_request(int reason) | |
d9f75a4e | 3384 | { |
d6dc3d42 AL |
3385 | vmstop_requested = reason; |
3386 | qemu_notify_event(); | |
bb0c6722 | 3387 | } |
d6dc3d42 | 3388 | #endif |
bb0c6722 | 3389 | |
50317c7f AL |
3390 | #ifndef _WIN32 |
3391 | static int io_thread_fd = -1; | |
3392 | ||
3393 | static void qemu_event_increment(void) | |
3fcf7b6b | 3394 | { |
50317c7f AL |
3395 | static const char byte = 0; |
3396 | ||
3397 | if (io_thread_fd == -1) | |
3398 | return; | |
3399 | ||
3400 | write(io_thread_fd, &byte, sizeof(byte)); | |
3401 | } | |
3402 | ||
3403 | static void qemu_event_read(void *opaque) | |
3404 | { | |
3405 | int fd = (unsigned long)opaque; | |
3406 | ssize_t len; | |
3407 | ||
3408 | /* Drain the notify pipe */ | |
3409 | do { | |
3410 | char buffer[512]; | |
3411 | len = read(fd, buffer, sizeof(buffer)); | |
3412 | } while ((len == -1 && errno == EINTR) || len > 0); | |
3413 | } | |
3414 | ||
3415 | static int qemu_event_init(void) | |
3416 | { | |
3417 | int err; | |
3418 | int fds[2]; | |
3419 | ||
40ff6d7e | 3420 | err = qemu_pipe(fds); |
50317c7f AL |
3421 | if (err == -1) |
3422 | return -errno; | |
3423 | ||
3424 | err = fcntl_setfl(fds[0], O_NONBLOCK); | |
3425 | if (err < 0) | |
3426 | goto fail; | |
3427 | ||
3428 | err = fcntl_setfl(fds[1], O_NONBLOCK); | |
3429 | if (err < 0) | |
3430 | goto fail; | |
3431 | ||
3432 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, | |
3433 | (void *)(unsigned long)fds[0]); | |
3434 | ||
3435 | io_thread_fd = fds[1]; | |
a7e21219 JK |
3436 | return 0; |
3437 | ||
50317c7f AL |
3438 | fail: |
3439 | close(fds[0]); | |
3440 | close(fds[1]); | |
3441 | return err; | |
3442 | } | |
3443 | #else | |
3444 | HANDLE qemu_event_handle; | |
3445 | ||
3446 | static void dummy_event_handler(void *opaque) | |
3447 | { | |
3448 | } | |
3449 | ||
3450 | static int qemu_event_init(void) | |
3451 | { | |
3452 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); | |
3453 | if (!qemu_event_handle) { | |
20889d4e | 3454 | fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError()); |
50317c7f AL |
3455 | return -1; |
3456 | } | |
3457 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); | |
3fcf7b6b AL |
3458 | return 0; |
3459 | } | |
3460 | ||
50317c7f AL |
3461 | static void qemu_event_increment(void) |
3462 | { | |
de1c90cf | 3463 | if (!SetEvent(qemu_event_handle)) { |
20889d4e | 3464 | fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n", |
de1c90cf | 3465 | GetLastError()); |
3466 | exit (1); | |
3467 | } | |
50317c7f AL |
3468 | } |
3469 | #endif | |
3470 | ||
d6dc3d42 AL |
3471 | static int cpu_can_run(CPUState *env) |
3472 | { | |
3473 | if (env->stop) | |
3474 | return 0; | |
3475 | if (env->stopped) | |
3476 | return 0; | |
3477 | return 1; | |
3478 | } | |
3479 | ||
3480 | #ifndef CONFIG_IOTHREAD | |
50317c7f AL |
3481 | static int qemu_init_main_loop(void) |
3482 | { | |
3483 | return qemu_event_init(); | |
3484 | } | |
3485 | ||
0bf46a40 AL |
3486 | void qemu_init_vcpu(void *_env) |
3487 | { | |
3488 | CPUState *env = _env; | |
3489 | ||
3490 | if (kvm_enabled()) | |
3491 | kvm_init_vcpu(env); | |
dc6b1c09 AP |
3492 | env->nr_cores = smp_cores; |
3493 | env->nr_threads = smp_threads; | |
0bf46a40 AL |
3494 | return; |
3495 | } | |
3496 | ||
8edac960 AL |
3497 | int qemu_cpu_self(void *env) |
3498 | { | |
3499 | return 1; | |
3500 | } | |
3501 | ||
d6dc3d42 AL |
3502 | static void resume_all_vcpus(void) |
3503 | { | |
3504 | } | |
3505 | ||
3506 | static void pause_all_vcpus(void) | |
3507 | { | |
3508 | } | |
3509 | ||
8edac960 AL |
3510 | void qemu_cpu_kick(void *env) |
3511 | { | |
3512 | return; | |
3513 | } | |
3514 | ||
d6dc3d42 AL |
3515 | void qemu_notify_event(void) |
3516 | { | |
3517 | CPUState *env = cpu_single_env; | |
3518 | ||
3519 | if (env) { | |
3520 | cpu_exit(env); | |
4a1418e0 | 3521 | } |
d6dc3d42 AL |
3522 | } |
3523 | ||
d549db5a GC |
3524 | void qemu_mutex_lock_iothread(void) {} |
3525 | void qemu_mutex_unlock_iothread(void) {} | |
4870852c | 3526 | |
6e29f5da AL |
3527 | void vm_stop(int reason) |
3528 | { | |
3529 | do_vm_stop(reason); | |
3530 | } | |
3531 | ||
d6dc3d42 AL |
3532 | #else /* CONFIG_IOTHREAD */ |
3533 | ||
3534 | #include "qemu-thread.h" | |
3535 | ||
3536 | QemuMutex qemu_global_mutex; | |
3537 | static QemuMutex qemu_fair_mutex; | |
3538 | ||
3539 | static QemuThread io_thread; | |
3540 | ||
3541 | static QemuThread *tcg_cpu_thread; | |
3542 | static QemuCond *tcg_halt_cond; | |
3543 | ||
3544 | static int qemu_system_ready; | |
3545 | /* cpu creation */ | |
3546 | static QemuCond qemu_cpu_cond; | |
3547 | /* system init */ | |
3548 | static QemuCond qemu_system_cond; | |
3549 | static QemuCond qemu_pause_cond; | |
3550 | ||
3551 | static void block_io_signals(void); | |
3552 | static void unblock_io_signals(void); | |
3553 | static int tcg_has_work(void); | |
3554 | ||
3555 | static int qemu_init_main_loop(void) | |
3556 | { | |
3557 | int ret; | |
3558 | ||
3559 | ret = qemu_event_init(); | |
3560 | if (ret) | |
3561 | return ret; | |
3562 | ||
3563 | qemu_cond_init(&qemu_pause_cond); | |
3564 | qemu_mutex_init(&qemu_fair_mutex); | |
3565 | qemu_mutex_init(&qemu_global_mutex); | |
3566 | qemu_mutex_lock(&qemu_global_mutex); | |
3567 | ||
3568 | unblock_io_signals(); | |
3569 | qemu_thread_self(&io_thread); | |
3570 | ||
3571 | return 0; | |
3572 | } | |
3573 | ||
3574 | static void qemu_wait_io_event(CPUState *env) | |
3575 | { | |
3576 | while (!tcg_has_work()) | |
3577 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); | |
3578 | ||
3579 | qemu_mutex_unlock(&qemu_global_mutex); | |
3580 | ||
3581 | /* | |
3582 | * Users of qemu_global_mutex can be starved, having no chance | |
3583 | * to acquire it since this path will get to it first. | |
3584 | * So use another lock to provide fairness. | |
3585 | */ | |
3586 | qemu_mutex_lock(&qemu_fair_mutex); | |
3587 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3588 | ||
3589 | qemu_mutex_lock(&qemu_global_mutex); | |
3590 | if (env->stop) { | |
3591 | env->stop = 0; | |
3592 | env->stopped = 1; | |
3593 | qemu_cond_signal(&qemu_pause_cond); | |
3594 | } | |
3595 | } | |
3596 | ||
3597 | static int qemu_cpu_exec(CPUState *env); | |
3598 | ||
3599 | static void *kvm_cpu_thread_fn(void *arg) | |
3600 | { | |
3601 | CPUState *env = arg; | |
3602 | ||
3603 | block_io_signals(); | |
3604 | qemu_thread_self(env->thread); | |
321c1cb1 JCD |
3605 | if (kvm_enabled()) |
3606 | kvm_init_vcpu(env); | |
d6dc3d42 AL |
3607 | |
3608 | /* signal CPU creation */ | |
3609 | qemu_mutex_lock(&qemu_global_mutex); | |
3610 | env->created = 1; | |
3611 | qemu_cond_signal(&qemu_cpu_cond); | |
3612 | ||
3613 | /* and wait for machine initialization */ | |
3614 | while (!qemu_system_ready) | |
3615 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3616 | ||
3617 | while (1) { | |
3618 | if (cpu_can_run(env)) | |
3619 | qemu_cpu_exec(env); | |
1c3173b9 | 3620 | qemu_wait_io_event(env); |
d6dc3d42 AL |
3621 | } |
3622 | ||
3623 | return NULL; | |
3624 | } | |
3625 | ||
3626 | static void tcg_cpu_exec(void); | |
3627 | ||
3628 | static void *tcg_cpu_thread_fn(void *arg) | |
3629 | { | |
3630 | CPUState *env = arg; | |
3631 | ||
3632 | block_io_signals(); | |
3633 | qemu_thread_self(env->thread); | |
3634 | ||
3635 | /* signal CPU creation */ | |
3636 | qemu_mutex_lock(&qemu_global_mutex); | |
3637 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
3638 | env->created = 1; | |
3639 | qemu_cond_signal(&qemu_cpu_cond); | |
3640 | ||
3641 | /* and wait for machine initialization */ | |
3642 | while (!qemu_system_ready) | |
3643 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3644 | ||
3645 | while (1) { | |
3646 | tcg_cpu_exec(); | |
3647 | qemu_wait_io_event(cur_cpu); | |
3648 | } | |
3649 | ||
3650 | return NULL; | |
3651 | } | |
3652 | ||
3653 | void qemu_cpu_kick(void *_env) | |
3654 | { | |
3655 | CPUState *env = _env; | |
3656 | qemu_cond_broadcast(env->halt_cond); | |
3657 | if (kvm_enabled()) | |
3658 | qemu_thread_signal(env->thread, SIGUSR1); | |
3659 | } | |
3660 | ||
e5bc201d | 3661 | int qemu_cpu_self(void *_env) |
d6dc3d42 | 3662 | { |
e5bc201d GC |
3663 | CPUState *env = _env; |
3664 | QemuThread this; | |
3665 | ||
3666 | qemu_thread_self(&this); | |
3667 | ||
3668 | return qemu_thread_equal(&this, env->thread); | |
d6dc3d42 AL |
3669 | } |
3670 | ||
3671 | static void cpu_signal(int sig) | |
3672 | { | |
3673 | if (cpu_single_env) | |
3674 | cpu_exit(cpu_single_env); | |
3675 | } | |
3676 | ||
3677 | static void block_io_signals(void) | |
3678 | { | |
3679 | sigset_t set; | |
3680 | struct sigaction sigact; | |
3681 | ||
3682 | sigemptyset(&set); | |
3683 | sigaddset(&set, SIGUSR2); | |
3684 | sigaddset(&set, SIGIO); | |
3685 | sigaddset(&set, SIGALRM); | |
3686 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3687 | ||
3688 | sigemptyset(&set); | |
3689 | sigaddset(&set, SIGUSR1); | |
3690 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3691 | ||
3692 | memset(&sigact, 0, sizeof(sigact)); | |
3693 | sigact.sa_handler = cpu_signal; | |
3694 | sigaction(SIGUSR1, &sigact, NULL); | |
3695 | } | |
3696 | ||
3697 | static void unblock_io_signals(void) | |
3698 | { | |
3699 | sigset_t set; | |
3700 | ||
3701 | sigemptyset(&set); | |
3702 | sigaddset(&set, SIGUSR2); | |
3703 | sigaddset(&set, SIGIO); | |
3704 | sigaddset(&set, SIGALRM); | |
3705 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3706 | ||
3707 | sigemptyset(&set); | |
3708 | sigaddset(&set, SIGUSR1); | |
3709 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3710 | } | |
3711 | ||
3712 | static void qemu_signal_lock(unsigned int msecs) | |
3713 | { | |
3714 | qemu_mutex_lock(&qemu_fair_mutex); | |
3715 | ||
3716 | while (qemu_mutex_trylock(&qemu_global_mutex)) { | |
3717 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); | |
3718 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) | |
3719 | break; | |
3720 | } | |
3721 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3722 | } | |
3723 | ||
d549db5a | 3724 | void qemu_mutex_lock_iothread(void) |
d6dc3d42 AL |
3725 | { |
3726 | if (kvm_enabled()) { | |
3727 | qemu_mutex_lock(&qemu_fair_mutex); | |
3728 | qemu_mutex_lock(&qemu_global_mutex); | |
3729 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3730 | } else | |
3731 | qemu_signal_lock(100); | |
3732 | } | |
3733 | ||
d549db5a | 3734 | void qemu_mutex_unlock_iothread(void) |
d6dc3d42 AL |
3735 | { |
3736 | qemu_mutex_unlock(&qemu_global_mutex); | |
3737 | } | |
3738 | ||
3739 | static int all_vcpus_paused(void) | |
3740 | { | |
3741 | CPUState *penv = first_cpu; | |
3742 | ||
3743 | while (penv) { | |
3744 | if (!penv->stopped) | |
3745 | return 0; | |
3746 | penv = (CPUState *)penv->next_cpu; | |
3747 | } | |
3748 | ||
3749 | return 1; | |
3750 | } | |
3751 | ||
3752 | static void pause_all_vcpus(void) | |
3753 | { | |
3754 | CPUState *penv = first_cpu; | |
3755 | ||
3756 | while (penv) { | |
3757 | penv->stop = 1; | |
3758 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3759 | qemu_cpu_kick(penv); | |
3760 | penv = (CPUState *)penv->next_cpu; | |
3761 | } | |
3762 | ||
3763 | while (!all_vcpus_paused()) { | |
3764 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); | |
3765 | penv = first_cpu; | |
3766 | while (penv) { | |
3767 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3768 | penv = (CPUState *)penv->next_cpu; | |
3769 | } | |
3770 | } | |
3771 | } | |
3772 | ||
3773 | static void resume_all_vcpus(void) | |
3774 | { | |
3775 | CPUState *penv = first_cpu; | |
3776 | ||
3777 | while (penv) { | |
3778 | penv->stop = 0; | |
3779 | penv->stopped = 0; | |
3780 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3781 | qemu_cpu_kick(penv); | |
3782 | penv = (CPUState *)penv->next_cpu; | |
3783 | } | |
3784 | } | |
3785 | ||
3786 | static void tcg_init_vcpu(void *_env) | |
3787 | { | |
3788 | CPUState *env = _env; | |
3789 | /* share a single thread for all cpus with TCG */ | |
3790 | if (!tcg_cpu_thread) { | |
3791 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
3792 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3793 | qemu_cond_init(env->halt_cond); | |
3794 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); | |
3795 | while (env->created == 0) | |
3796 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3797 | tcg_cpu_thread = env->thread; | |
3798 | tcg_halt_cond = env->halt_cond; | |
3799 | } else { | |
3800 | env->thread = tcg_cpu_thread; | |
3801 | env->halt_cond = tcg_halt_cond; | |
3802 | } | |
3803 | } | |
3804 | ||
3805 | static void kvm_start_vcpu(CPUState *env) | |
3806 | { | |
d6dc3d42 AL |
3807 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
3808 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3809 | qemu_cond_init(env->halt_cond); | |
3810 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); | |
3811 | while (env->created == 0) | |
3812 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3813 | } | |
3814 | ||
3815 | void qemu_init_vcpu(void *_env) | |
3816 | { | |
3817 | CPUState *env = _env; | |
3818 | ||
3819 | if (kvm_enabled()) | |
3820 | kvm_start_vcpu(env); | |
3821 | else | |
3822 | tcg_init_vcpu(env); | |
dc6b1c09 AP |
3823 | env->nr_cores = smp_cores; |
3824 | env->nr_threads = smp_threads; | |
d6dc3d42 AL |
3825 | } |
3826 | ||
3827 | void qemu_notify_event(void) | |
3828 | { | |
3829 | qemu_event_increment(); | |
3830 | } | |
3831 | ||
3832 | void vm_stop(int reason) | |
3833 | { | |
3834 | QemuThread me; | |
3835 | qemu_thread_self(&me); | |
3836 | ||
3837 | if (!qemu_thread_equal(&me, &io_thread)) { | |
3838 | qemu_system_vmstop_request(reason); | |
3839 | /* | |
3840 | * FIXME: should not return to device code in case | |
3841 | * vm_stop() has been requested. | |
3842 | */ | |
3843 | if (cpu_single_env) { | |
3844 | cpu_exit(cpu_single_env); | |
3845 | cpu_single_env->stop = 1; | |
3846 | } | |
3847 | return; | |
3848 | } | |
3849 | do_vm_stop(reason); | |
3850 | } | |
3851 | ||
3852 | #endif | |
3853 | ||
3854 | ||
877cf882 | 3855 | #ifdef _WIN32 |
69d6451c | 3856 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3857 | { |
3858 | int ret, ret2, i; | |
f331110f FB |
3859 | PollingEntry *pe; |
3860 | ||
c4b1fcc0 | 3861 | |
f331110f FB |
3862 | /* XXX: need to suppress polling by better using win32 events */ |
3863 | ret = 0; | |
3864 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
3865 | ret |= pe->func(pe->opaque); | |
3866 | } | |
e6b1e558 | 3867 | if (ret == 0) { |
a18e524a FB |
3868 | int err; |
3869 | WaitObjects *w = &wait_objects; | |
3b46e624 | 3870 | |
56f3a5d0 | 3871 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
a18e524a FB |
3872 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
3873 | if (w->func[ret - WAIT_OBJECT_0]) | |
3874 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
3b46e624 | 3875 | |
5fafdf24 | 3876 | /* Check for additional signaled events */ |
e6b1e558 | 3877 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
3b46e624 | 3878 | |
e6b1e558 TS |
3879 | /* Check if event is signaled */ |
3880 | ret2 = WaitForSingleObject(w->events[i], 0); | |
3881 | if(ret2 == WAIT_OBJECT_0) { | |
3882 | if (w->func[i]) | |
3883 | w->func[i](w->opaque[i]); | |
3884 | } else if (ret2 == WAIT_TIMEOUT) { | |
3885 | } else { | |
3886 | err = GetLastError(); | |
3887 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
3b46e624 TS |
3888 | } |
3889 | } | |
a18e524a FB |
3890 | } else if (ret == WAIT_TIMEOUT) { |
3891 | } else { | |
3892 | err = GetLastError(); | |
e6b1e558 | 3893 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
a18e524a | 3894 | } |
f331110f | 3895 | } |
56f3a5d0 AL |
3896 | |
3897 | *timeout = 0; | |
3898 | } | |
3899 | #else | |
69d6451c | 3900 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3901 | { |
3902 | } | |
fd1dff4b | 3903 | #endif |
56f3a5d0 AL |
3904 | |
3905 | void main_loop_wait(int timeout) | |
3906 | { | |
3907 | IOHandlerRecord *ioh; | |
3908 | fd_set rfds, wfds, xfds; | |
3909 | int ret, nfds; | |
3910 | struct timeval tv; | |
3911 | ||
3912 | qemu_bh_update_timeout(&timeout); | |
3913 | ||
3914 | host_main_loop_wait(&timeout); | |
3915 | ||
fd1dff4b FB |
3916 | /* poll any events */ |
3917 | /* XXX: separate device handlers from system ones */ | |
6abfbd79 | 3918 | nfds = -1; |
fd1dff4b FB |
3919 | FD_ZERO(&rfds); |
3920 | FD_ZERO(&wfds); | |
e035649e | 3921 | FD_ZERO(&xfds); |
fd1dff4b | 3922 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
cafffd40 TS |
3923 | if (ioh->deleted) |
3924 | continue; | |
fd1dff4b FB |
3925 | if (ioh->fd_read && |
3926 | (!ioh->fd_read_poll || | |
3927 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
3928 | FD_SET(ioh->fd, &rfds); | |
3929 | if (ioh->fd > nfds) | |
3930 | nfds = ioh->fd; | |
3931 | } | |
3932 | if (ioh->fd_write) { | |
3933 | FD_SET(ioh->fd, &wfds); | |
3934 | if (ioh->fd > nfds) | |
3935 | nfds = ioh->fd; | |
3936 | } | |
3937 | } | |
3b46e624 | 3938 | |
56f3a5d0 AL |
3939 | tv.tv_sec = timeout / 1000; |
3940 | tv.tv_usec = (timeout % 1000) * 1000; | |
3941 | ||
d918f23e JK |
3942 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
3943 | ||
4870852c | 3944 | qemu_mutex_unlock_iothread(); |
e035649e | 3945 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
4870852c | 3946 | qemu_mutex_lock_iothread(); |
fd1dff4b | 3947 | if (ret > 0) { |
cafffd40 TS |
3948 | IOHandlerRecord **pioh; |
3949 | ||
3950 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6ab43fdc | 3951 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
fd1dff4b | 3952 | ioh->fd_read(ioh->opaque); |
7c9d8e07 | 3953 | } |
6ab43fdc | 3954 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
fd1dff4b | 3955 | ioh->fd_write(ioh->opaque); |
c4b1fcc0 | 3956 | } |
b4608c04 | 3957 | } |
cafffd40 TS |
3958 | |
3959 | /* remove deleted IO handlers */ | |
3960 | pioh = &first_io_handler; | |
3961 | while (*pioh) { | |
3962 | ioh = *pioh; | |
3963 | if (ioh->deleted) { | |
3964 | *pioh = ioh->next; | |
3965 | qemu_free(ioh); | |
5fafdf24 | 3966 | } else |
cafffd40 TS |
3967 | pioh = &ioh->next; |
3968 | } | |
fd1dff4b | 3969 | } |
d918f23e JK |
3970 | |
3971 | slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0)); | |
b4608c04 | 3972 | |
50317c7f AL |
3973 | /* rearm timer, if not periodic */ |
3974 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
3975 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; | |
3976 | qemu_rearm_alarm_timer(alarm_timer); | |
3977 | } | |
3978 | ||
357c692c | 3979 | /* vm time timers */ |
d6dc3d42 AL |
3980 | if (vm_running) { |
3981 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
0fdddf80 JK |
3982 | qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], |
3983 | qemu_get_clock(vm_clock)); | |
d6dc3d42 | 3984 | } |
357c692c AL |
3985 | |
3986 | /* real time timers */ | |
0fdddf80 | 3987 | qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], |
357c692c AL |
3988 | qemu_get_clock(rt_clock)); |
3989 | ||
21d5d12b JK |
3990 | qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], |
3991 | qemu_get_clock(host_clock)); | |
3992 | ||
423f0742 PB |
3993 | /* Check bottom-halves last in case any of the earlier events triggered |
3994 | them. */ | |
3995 | qemu_bh_poll(); | |
3b46e624 | 3996 | |
5905b2e5 FB |
3997 | } |
3998 | ||
43b96858 | 3999 | static int qemu_cpu_exec(CPUState *env) |
5905b2e5 | 4000 | { |
43b96858 | 4001 | int ret; |
89bfc105 FB |
4002 | #ifdef CONFIG_PROFILER |
4003 | int64_t ti; | |
4004 | #endif | |
5905b2e5 | 4005 | |
89bfc105 | 4006 | #ifdef CONFIG_PROFILER |
43b96858 | 4007 | ti = profile_getclock(); |
89bfc105 | 4008 | #endif |
43b96858 AL |
4009 | if (use_icount) { |
4010 | int64_t count; | |
4011 | int decr; | |
4012 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
4013 | env->icount_decr.u16.low = 0; | |
4014 | env->icount_extra = 0; | |
4015 | count = qemu_next_deadline(); | |
4016 | count = (count + (1 << icount_time_shift) - 1) | |
4017 | >> icount_time_shift; | |
4018 | qemu_icount += count; | |
4019 | decr = (count > 0xffff) ? 0xffff : count; | |
4020 | count -= decr; | |
4021 | env->icount_decr.u16.low = decr; | |
4022 | env->icount_extra = count; | |
4023 | } | |
4024 | ret = cpu_exec(env); | |
89bfc105 | 4025 | #ifdef CONFIG_PROFILER |
43b96858 | 4026 | qemu_time += profile_getclock() - ti; |
89bfc105 | 4027 | #endif |
43b96858 AL |
4028 | if (use_icount) { |
4029 | /* Fold pending instructions back into the | |
4030 | instruction counter, and clear the interrupt flag. */ | |
4031 | qemu_icount -= (env->icount_decr.u16.low | |
4032 | + env->icount_extra); | |
4033 | env->icount_decr.u32 = 0; | |
4034 | env->icount_extra = 0; | |
4035 | } | |
4036 | return ret; | |
4037 | } | |
4038 | ||
e6e35b1e AL |
4039 | static void tcg_cpu_exec(void) |
4040 | { | |
d6dc3d42 | 4041 | int ret = 0; |
e6e35b1e AL |
4042 | |
4043 | if (next_cpu == NULL) | |
4044 | next_cpu = first_cpu; | |
4045 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { | |
4046 | CPUState *env = cur_cpu = next_cpu; | |
4047 | ||
4048 | if (!vm_running) | |
4049 | break; | |
4050 | if (timer_alarm_pending) { | |
4051 | timer_alarm_pending = 0; | |
4052 | break; | |
4053 | } | |
d6dc3d42 AL |
4054 | if (cpu_can_run(env)) |
4055 | ret = qemu_cpu_exec(env); | |
e6e35b1e AL |
4056 | if (ret == EXCP_DEBUG) { |
4057 | gdb_set_stop_cpu(env); | |
4058 | debug_requested = 1; | |
4059 | break; | |
4060 | } | |
4061 | } | |
4062 | } | |
4063 | ||
43b96858 AL |
4064 | static int cpu_has_work(CPUState *env) |
4065 | { | |
d6dc3d42 AL |
4066 | if (env->stop) |
4067 | return 1; | |
4068 | if (env->stopped) | |
4069 | return 0; | |
43b96858 AL |
4070 | if (!env->halted) |
4071 | return 1; | |
4072 | if (qemu_cpu_has_work(env)) | |
4073 | return 1; | |
4074 | return 0; | |
4075 | } | |
4076 | ||
4077 | static int tcg_has_work(void) | |
4078 | { | |
4079 | CPUState *env; | |
4080 | ||
4081 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
4082 | if (cpu_has_work(env)) | |
4083 | return 1; | |
4084 | return 0; | |
4085 | } | |
4086 | ||
4087 | static int qemu_calculate_timeout(void) | |
4088 | { | |
b319820d | 4089 | #ifndef CONFIG_IOTHREAD |
43b96858 AL |
4090 | int timeout; |
4091 | ||
4092 | if (!vm_running) | |
4093 | timeout = 5000; | |
4094 | else if (tcg_has_work()) | |
4095 | timeout = 0; | |
4096 | else if (!use_icount) | |
4097 | timeout = 5000; | |
4098 | else { | |
4099 | /* XXX: use timeout computed from timers */ | |
4100 | int64_t add; | |
4101 | int64_t delta; | |
4102 | /* Advance virtual time to the next event. */ | |
4103 | if (use_icount == 1) { | |
4104 | /* When not using an adaptive execution frequency | |
4105 | we tend to get badly out of sync with real time, | |
4106 | so just delay for a reasonable amount of time. */ | |
4107 | delta = 0; | |
4108 | } else { | |
4109 | delta = cpu_get_icount() - cpu_get_clock(); | |
4110 | } | |
4111 | if (delta > 0) { | |
4112 | /* If virtual time is ahead of real time then just | |
4113 | wait for IO. */ | |
4114 | timeout = (delta / 1000000) + 1; | |
4115 | } else { | |
4116 | /* Wait for either IO to occur or the next | |
4117 | timer event. */ | |
4118 | add = qemu_next_deadline(); | |
4119 | /* We advance the timer before checking for IO. | |
4120 | Limit the amount we advance so that early IO | |
4121 | activity won't get the guest too far ahead. */ | |
4122 | if (add > 10000000) | |
4123 | add = 10000000; | |
4124 | delta += add; | |
4125 | add = (add + (1 << icount_time_shift) - 1) | |
4126 | >> icount_time_shift; | |
4127 | qemu_icount += add; | |
4128 | timeout = delta / 1000000; | |
4129 | if (timeout < 0) | |
4130 | timeout = 0; | |
4131 | } | |
4132 | } | |
4133 | ||
4134 | return timeout; | |
b319820d LC |
4135 | #else /* CONFIG_IOTHREAD */ |
4136 | return 1000; | |
4137 | #endif | |
43b96858 AL |
4138 | } |
4139 | ||
4140 | static int vm_can_run(void) | |
4141 | { | |
4142 | if (powerdown_requested) | |
4143 | return 0; | |
4144 | if (reset_requested) | |
4145 | return 0; | |
4146 | if (shutdown_requested) | |
4147 | return 0; | |
e568902a AL |
4148 | if (debug_requested) |
4149 | return 0; | |
43b96858 AL |
4150 | return 1; |
4151 | } | |
4152 | ||
d9c32310 BS |
4153 | qemu_irq qemu_system_powerdown; |
4154 | ||
43b96858 AL |
4155 | static void main_loop(void) |
4156 | { | |
6e29f5da | 4157 | int r; |
e6e35b1e | 4158 | |
d6dc3d42 AL |
4159 | #ifdef CONFIG_IOTHREAD |
4160 | qemu_system_ready = 1; | |
4161 | qemu_cond_broadcast(&qemu_system_cond); | |
4162 | #endif | |
4163 | ||
6e29f5da | 4164 | for (;;) { |
43b96858 | 4165 | do { |
e6e35b1e AL |
4166 | #ifdef CONFIG_PROFILER |
4167 | int64_t ti; | |
4168 | #endif | |
d6dc3d42 | 4169 | #ifndef CONFIG_IOTHREAD |
e6e35b1e | 4170 | tcg_cpu_exec(); |
d6dc3d42 | 4171 | #endif |
89bfc105 | 4172 | #ifdef CONFIG_PROFILER |
43b96858 | 4173 | ti = profile_getclock(); |
89bfc105 | 4174 | #endif |
43b96858 | 4175 | main_loop_wait(qemu_calculate_timeout()); |
89bfc105 | 4176 | #ifdef CONFIG_PROFILER |
43b96858 | 4177 | dev_time += profile_getclock() - ti; |
89bfc105 | 4178 | #endif |
e568902a | 4179 | } while (vm_can_run()); |
43b96858 | 4180 | |
b1a15e7e | 4181 | if (qemu_debug_requested()) { |
242cd003 | 4182 | monitor_protocol_event(QEVENT_DEBUG, NULL); |
e568902a | 4183 | vm_stop(EXCP_DEBUG); |
b1a15e7e | 4184 | } |
43b96858 | 4185 | if (qemu_shutdown_requested()) { |
242cd003 | 4186 | monitor_protocol_event(QEVENT_SHUTDOWN, NULL); |
43b96858 AL |
4187 | if (no_shutdown) { |
4188 | vm_stop(0); | |
4189 | no_shutdown = 0; | |
4190 | } else | |
4191 | break; | |
4192 | } | |
d6dc3d42 | 4193 | if (qemu_reset_requested()) { |
242cd003 | 4194 | monitor_protocol_event(QEVENT_RESET, NULL); |
d6dc3d42 | 4195 | pause_all_vcpus(); |
43b96858 | 4196 | qemu_system_reset(); |
d6dc3d42 AL |
4197 | resume_all_vcpus(); |
4198 | } | |
d9c32310 | 4199 | if (qemu_powerdown_requested()) { |
242cd003 | 4200 | monitor_protocol_event(QEVENT_POWERDOWN, NULL); |
d9c32310 BS |
4201 | qemu_irq_raise(qemu_system_powerdown); |
4202 | } | |
b1a15e7e | 4203 | if ((r = qemu_vmstop_requested())) { |
242cd003 | 4204 | monitor_protocol_event(QEVENT_STOP, NULL); |
6e29f5da | 4205 | vm_stop(r); |
b1a15e7e | 4206 | } |
b4608c04 | 4207 | } |
d6dc3d42 | 4208 | pause_all_vcpus(); |
b4608c04 FB |
4209 | } |
4210 | ||
9bd7e6d9 PB |
4211 | static void version(void) |
4212 | { | |
4a19f1ec | 4213 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
9bd7e6d9 PB |
4214 | } |
4215 | ||
15f82208 | 4216 | static void help(int exitcode) |
0824d6fc | 4217 | { |
9bd7e6d9 PB |
4218 | version(); |
4219 | printf("usage: %s [options] [disk_image]\n" | |
0824d6fc | 4220 | "\n" |
a20dd508 | 4221 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 4222 | "\n" |
5824d651 BS |
4223 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4224 | opt_help | |
4225 | #define DEFHEADING(text) stringify(text) "\n" | |
4226 | #include "qemu-options.h" | |
4227 | #undef DEF | |
4228 | #undef DEFHEADING | |
4229 | #undef GEN_DOCS | |
0824d6fc | 4230 | "\n" |
82c643ff | 4231 | "During emulation, the following keys are useful:\n" |
032a8c9e FB |
4232 | "ctrl-alt-f toggle full screen\n" |
4233 | "ctrl-alt-n switch to virtual console 'n'\n" | |
4234 | "ctrl-alt toggle mouse and keyboard grab\n" | |
82c643ff FB |
4235 | "\n" |
4236 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
4237 | , | |
0db63474 | 4238 | "qemu", |
a00bad7e | 4239 | DEFAULT_RAM_SIZE, |
7c9d8e07 | 4240 | #ifndef _WIN32 |
a00bad7e | 4241 | DEFAULT_NETWORK_SCRIPT, |
b46a8906 | 4242 | DEFAULT_NETWORK_DOWN_SCRIPT, |
7c9d8e07 | 4243 | #endif |
6e44ba7f | 4244 | DEFAULT_GDBSTUB_PORT, |
bce61846 | 4245 | "/tmp/qemu.log"); |
15f82208 | 4246 | exit(exitcode); |
0824d6fc FB |
4247 | } |
4248 | ||
cd6f1169 FB |
4249 | #define HAS_ARG 0x0001 |
4250 | ||
4251 | enum { | |
5824d651 BS |
4252 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4253 | opt_enum, | |
4254 | #define DEFHEADING(text) | |
4255 | #include "qemu-options.h" | |
4256 | #undef DEF | |
4257 | #undef DEFHEADING | |
4258 | #undef GEN_DOCS | |
cd6f1169 FB |
4259 | }; |
4260 | ||
4261 | typedef struct QEMUOption { | |
4262 | const char *name; | |
4263 | int flags; | |
4264 | int index; | |
4265 | } QEMUOption; | |
4266 | ||
dbed7e40 | 4267 | static const QEMUOption qemu_options[] = { |
cd6f1169 | 4268 | { "h", 0, QEMU_OPTION_h }, |
5824d651 BS |
4269 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4270 | { option, opt_arg, opt_enum }, | |
4271 | #define DEFHEADING(text) | |
4272 | #include "qemu-options.h" | |
4273 | #undef DEF | |
4274 | #undef DEFHEADING | |
4275 | #undef GEN_DOCS | |
cd6f1169 | 4276 | { NULL }, |
fc01f7e7 FB |
4277 | }; |
4278 | ||
1d14ffa9 | 4279 | #ifdef HAS_AUDIO |
6a36d84e | 4280 | struct soundhw soundhw[] = { |
b00052e4 | 4281 | #ifdef HAS_AUDIO_CHOICE |
4ce7ff6e | 4282 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
fd06c375 FB |
4283 | { |
4284 | "pcspk", | |
4285 | "PC speaker", | |
4286 | 0, | |
4287 | 1, | |
4288 | { .init_isa = pcspk_audio_init } | |
4289 | }, | |
4290 | #endif | |
4c9b53e3 | 4291 | |
4292 | #ifdef CONFIG_SB16 | |
6a36d84e FB |
4293 | { |
4294 | "sb16", | |
4295 | "Creative Sound Blaster 16", | |
4296 | 0, | |
4297 | 1, | |
4298 | { .init_isa = SB16_init } | |
4299 | }, | |
4c9b53e3 | 4300 | #endif |
6a36d84e | 4301 | |
cc53d26d | 4302 | #ifdef CONFIG_CS4231A |
4303 | { | |
4304 | "cs4231a", | |
4305 | "CS4231A", | |
4306 | 0, | |
4307 | 1, | |
4308 | { .init_isa = cs4231a_init } | |
4309 | }, | |
4310 | #endif | |
4311 | ||
1d14ffa9 | 4312 | #ifdef CONFIG_ADLIB |
6a36d84e FB |
4313 | { |
4314 | "adlib", | |
1d14ffa9 | 4315 | #ifdef HAS_YMF262 |
6a36d84e | 4316 | "Yamaha YMF262 (OPL3)", |
1d14ffa9 | 4317 | #else |
6a36d84e | 4318 | "Yamaha YM3812 (OPL2)", |
1d14ffa9 | 4319 | #endif |
6a36d84e FB |
4320 | 0, |
4321 | 1, | |
4322 | { .init_isa = Adlib_init } | |
4323 | }, | |
1d14ffa9 | 4324 | #endif |
6a36d84e | 4325 | |
1d14ffa9 | 4326 | #ifdef CONFIG_GUS |
6a36d84e FB |
4327 | { |
4328 | "gus", | |
4329 | "Gravis Ultrasound GF1", | |
4330 | 0, | |
4331 | 1, | |
4332 | { .init_isa = GUS_init } | |
4333 | }, | |
1d14ffa9 | 4334 | #endif |
6a36d84e | 4335 | |
4c9b53e3 | 4336 | #ifdef CONFIG_AC97 |
e5c9a13e AZ |
4337 | { |
4338 | "ac97", | |
4339 | "Intel 82801AA AC97 Audio", | |
4340 | 0, | |
4341 | 0, | |
4342 | { .init_pci = ac97_init } | |
4343 | }, | |
4c9b53e3 | 4344 | #endif |
e5c9a13e | 4345 | |
4c9b53e3 | 4346 | #ifdef CONFIG_ES1370 |
6a36d84e FB |
4347 | { |
4348 | "es1370", | |
4349 | "ENSONIQ AudioPCI ES1370", | |
4350 | 0, | |
4351 | 0, | |
4352 | { .init_pci = es1370_init } | |
4353 | }, | |
b00052e4 | 4354 | #endif |
6a36d84e | 4355 | |
4c9b53e3 | 4356 | #endif /* HAS_AUDIO_CHOICE */ |
4357 | ||
6a36d84e FB |
4358 | { NULL, NULL, 0, 0, { NULL } } |
4359 | }; | |
4360 | ||
4361 | static void select_soundhw (const char *optarg) | |
4362 | { | |
4363 | struct soundhw *c; | |
4364 | ||
4365 | if (*optarg == '?') { | |
4366 | show_valid_cards: | |
4367 | ||
4368 | printf ("Valid sound card names (comma separated):\n"); | |
4369 | for (c = soundhw; c->name; ++c) { | |
4370 | printf ("%-11s %s\n", c->name, c->descr); | |
4371 | } | |
4372 | printf ("\n-soundhw all will enable all of the above\n"); | |
1d14ffa9 FB |
4373 | exit (*optarg != '?'); |
4374 | } | |
4375 | else { | |
6a36d84e | 4376 | size_t l; |
1d14ffa9 FB |
4377 | const char *p; |
4378 | char *e; | |
4379 | int bad_card = 0; | |
4380 | ||
6a36d84e FB |
4381 | if (!strcmp (optarg, "all")) { |
4382 | for (c = soundhw; c->name; ++c) { | |
4383 | c->enabled = 1; | |
4384 | } | |
4385 | return; | |
4386 | } | |
1d14ffa9 | 4387 | |
6a36d84e | 4388 | p = optarg; |
1d14ffa9 FB |
4389 | while (*p) { |
4390 | e = strchr (p, ','); | |
4391 | l = !e ? strlen (p) : (size_t) (e - p); | |
6a36d84e FB |
4392 | |
4393 | for (c = soundhw; c->name; ++c) { | |
b3d6fb4a | 4394 | if (!strncmp (c->name, p, l) && !c->name[l]) { |
6a36d84e | 4395 | c->enabled = 1; |
1d14ffa9 FB |
4396 | break; |
4397 | } | |
4398 | } | |
6a36d84e FB |
4399 | |
4400 | if (!c->name) { | |
1d14ffa9 FB |
4401 | if (l > 80) { |
4402 | fprintf (stderr, | |
4403 | "Unknown sound card name (too big to show)\n"); | |
4404 | } | |
4405 | else { | |
4406 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4407 | (int) l, p); | |
4408 | } | |
4409 | bad_card = 1; | |
4410 | } | |
4411 | p += l + (e != NULL); | |
4412 | } | |
4413 | ||
4414 | if (bad_card) | |
4415 | goto show_valid_cards; | |
4416 | } | |
4417 | } | |
4418 | #endif | |
4419 | ||
3893c124 | 4420 | static void select_vgahw (const char *p) |
4421 | { | |
4422 | const char *opts; | |
4423 | ||
64465297 | 4424 | default_vga = 0; |
86176759 | 4425 | vga_interface_type = VGA_NONE; |
3893c124 | 4426 | if (strstart(p, "std", &opts)) { |
86176759 | 4427 | vga_interface_type = VGA_STD; |
3893c124 | 4428 | } else if (strstart(p, "cirrus", &opts)) { |
86176759 | 4429 | vga_interface_type = VGA_CIRRUS; |
3893c124 | 4430 | } else if (strstart(p, "vmware", &opts)) { |
86176759 | 4431 | vga_interface_type = VGA_VMWARE; |
94909d9f | 4432 | } else if (strstart(p, "xenfb", &opts)) { |
86176759 | 4433 | vga_interface_type = VGA_XENFB; |
28b85ed8 | 4434 | } else if (!strstart(p, "none", &opts)) { |
3893c124 | 4435 | invalid_vga: |
4436 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
4437 | exit(1); | |
4438 | } | |
cb5a7aa8 | 4439 | while (*opts) { |
4440 | const char *nextopt; | |
4441 | ||
4442 | if (strstart(opts, ",retrace=", &nextopt)) { | |
4443 | opts = nextopt; | |
4444 | if (strstart(opts, "dumb", &nextopt)) | |
4445 | vga_retrace_method = VGA_RETRACE_DUMB; | |
4446 | else if (strstart(opts, "precise", &nextopt)) | |
4447 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
4448 | else goto invalid_vga; | |
4449 | } else goto invalid_vga; | |
4450 | opts = nextopt; | |
4451 | } | |
3893c124 | 4452 | } |
4453 | ||
7d4c3d53 MA |
4454 | #ifdef TARGET_I386 |
4455 | static int balloon_parse(const char *arg) | |
4456 | { | |
382f0743 | 4457 | QemuOpts *opts; |
7d4c3d53 | 4458 | |
382f0743 GH |
4459 | if (strcmp(arg, "none") == 0) { |
4460 | return 0; | |
4461 | } | |
4462 | ||
4463 | if (!strncmp(arg, "virtio", 6)) { | |
4464 | if (arg[6] == ',') { | |
4465 | /* have params -> parse them */ | |
4466 | opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL); | |
4467 | if (!opts) | |
4468 | return -1; | |
4469 | } else { | |
4470 | /* create empty opts */ | |
4471 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
7d4c3d53 | 4472 | } |
382f0743 GH |
4473 | qemu_opt_set(opts, "driver", "virtio-balloon-pci"); |
4474 | return 0; | |
7d4c3d53 | 4475 | } |
382f0743 GH |
4476 | |
4477 | return -1; | |
7d4c3d53 MA |
4478 | } |
4479 | #endif | |
4480 | ||
3587d7e6 FB |
4481 | #ifdef _WIN32 |
4482 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
4483 | { | |
4484 | exit(STATUS_CONTROL_C_EXIT); | |
4485 | return TRUE; | |
4486 | } | |
4487 | #endif | |
4488 | ||
c4be29ff | 4489 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
8fcb1b90 BS |
4490 | { |
4491 | int ret; | |
4492 | ||
4493 | if(strlen(str) != 36) | |
4494 | return -1; | |
4495 | ||
4496 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
4497 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
4498 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
4499 | ||
4500 | if(ret != 16) | |
4501 | return -1; | |
4502 | ||
b6f6e3d3 AL |
4503 | #ifdef TARGET_I386 |
4504 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
4505 | #endif | |
4506 | ||
8fcb1b90 BS |
4507 | return 0; |
4508 | } | |
4509 | ||
5b08fc10 AL |
4510 | #ifndef _WIN32 |
4511 | ||
4512 | static void termsig_handler(int signal) | |
4513 | { | |
4514 | qemu_system_shutdown_request(); | |
4515 | } | |
4516 | ||
7c3370d4 JK |
4517 | static void sigchld_handler(int signal) |
4518 | { | |
4519 | waitpid(-1, NULL, WNOHANG); | |
4520 | } | |
4521 | ||
4522 | static void sighandler_setup(void) | |
5b08fc10 AL |
4523 | { |
4524 | struct sigaction act; | |
4525 | ||
4526 | memset(&act, 0, sizeof(act)); | |
4527 | act.sa_handler = termsig_handler; | |
4528 | sigaction(SIGINT, &act, NULL); | |
4529 | sigaction(SIGHUP, &act, NULL); | |
4530 | sigaction(SIGTERM, &act, NULL); | |
7c3370d4 JK |
4531 | |
4532 | act.sa_handler = sigchld_handler; | |
4533 | act.sa_flags = SA_NOCLDSTOP; | |
4534 | sigaction(SIGCHLD, &act, NULL); | |
5b08fc10 AL |
4535 | } |
4536 | ||
4537 | #endif | |
4538 | ||
5cea8590 PB |
4539 | #ifdef _WIN32 |
4540 | /* Look for support files in the same directory as the executable. */ | |
4541 | static char *find_datadir(const char *argv0) | |
4542 | { | |
4543 | char *p; | |
4544 | char buf[MAX_PATH]; | |
4545 | DWORD len; | |
4546 | ||
4547 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); | |
4548 | if (len == 0) { | |
c5947808 | 4549 | return NULL; |
5cea8590 PB |
4550 | } |
4551 | ||
4552 | buf[len] = 0; | |
4553 | p = buf + len - 1; | |
4554 | while (p != buf && *p != '\\') | |
4555 | p--; | |
4556 | *p = 0; | |
4557 | if (access(buf, R_OK) == 0) { | |
4558 | return qemu_strdup(buf); | |
4559 | } | |
4560 | return NULL; | |
4561 | } | |
4562 | #else /* !_WIN32 */ | |
4563 | ||
4564 | /* Find a likely location for support files using the location of the binary. | |
4565 | For installed binaries this will be "$bindir/../share/qemu". When | |
4566 | running from the build tree this will be "$bindir/../pc-bios". */ | |
4567 | #define SHARE_SUFFIX "/share/qemu" | |
4568 | #define BUILD_SUFFIX "/pc-bios" | |
4569 | static char *find_datadir(const char *argv0) | |
4570 | { | |
4571 | char *dir; | |
4572 | char *p = NULL; | |
4573 | char *res; | |
5cea8590 | 4574 | char buf[PATH_MAX]; |
3a41759d | 4575 | size_t max_len; |
5cea8590 PB |
4576 | |
4577 | #if defined(__linux__) | |
4578 | { | |
4579 | int len; | |
4580 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); | |
4581 | if (len > 0) { | |
4582 | buf[len] = 0; | |
4583 | p = buf; | |
4584 | } | |
4585 | } | |
4586 | #elif defined(__FreeBSD__) | |
4587 | { | |
4588 | int len; | |
4589 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); | |
4590 | if (len > 0) { | |
4591 | buf[len] = 0; | |
4592 | p = buf; | |
4593 | } | |
4594 | } | |
4595 | #endif | |
4596 | /* If we don't have any way of figuring out the actual executable | |
4597 | location then try argv[0]. */ | |
4598 | if (!p) { | |
4d224196 | 4599 | p = realpath(argv0, buf); |
5cea8590 PB |
4600 | if (!p) { |
4601 | return NULL; | |
4602 | } | |
4603 | } | |
4604 | dir = dirname(p); | |
4605 | dir = dirname(dir); | |
4606 | ||
3a41759d BS |
4607 | max_len = strlen(dir) + |
4608 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; | |
4609 | res = qemu_mallocz(max_len); | |
4610 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); | |
5cea8590 | 4611 | if (access(res, R_OK)) { |
3a41759d | 4612 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); |
5cea8590 PB |
4613 | if (access(res, R_OK)) { |
4614 | qemu_free(res); | |
4615 | res = NULL; | |
4616 | } | |
4617 | } | |
4d224196 | 4618 | |
5cea8590 PB |
4619 | return res; |
4620 | } | |
4621 | #undef SHARE_SUFFIX | |
4622 | #undef BUILD_SUFFIX | |
4623 | #endif | |
4624 | ||
4625 | char *qemu_find_file(int type, const char *name) | |
4626 | { | |
4627 | int len; | |
4628 | const char *subdir; | |
4629 | char *buf; | |
4630 | ||
4631 | /* If name contains path separators then try it as a straight path. */ | |
4632 | if ((strchr(name, '/') || strchr(name, '\\')) | |
4633 | && access(name, R_OK) == 0) { | |
73ffc805 | 4634 | return qemu_strdup(name); |
5cea8590 PB |
4635 | } |
4636 | switch (type) { | |
4637 | case QEMU_FILE_TYPE_BIOS: | |
4638 | subdir = ""; | |
4639 | break; | |
4640 | case QEMU_FILE_TYPE_KEYMAP: | |
4641 | subdir = "keymaps/"; | |
4642 | break; | |
4643 | default: | |
4644 | abort(); | |
4645 | } | |
4646 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; | |
4647 | buf = qemu_mallocz(len); | |
3a41759d | 4648 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); |
5cea8590 PB |
4649 | if (access(buf, R_OK)) { |
4650 | qemu_free(buf); | |
4651 | return NULL; | |
4652 | } | |
4653 | return buf; | |
4654 | } | |
4655 | ||
f31d07d1 GH |
4656 | static int device_init_func(QemuOpts *opts, void *opaque) |
4657 | { | |
4658 | DeviceState *dev; | |
4659 | ||
4660 | dev = qdev_device_add(opts); | |
4661 | if (!dev) | |
4662 | return -1; | |
4663 | return 0; | |
4664 | } | |
4665 | ||
1a688d3b GH |
4666 | static int chardev_init_func(QemuOpts *opts, void *opaque) |
4667 | { | |
4668 | CharDriverState *chr; | |
4669 | ||
4670 | chr = qemu_chr_open_opts(opts, NULL); | |
4671 | if (!chr) | |
4672 | return -1; | |
4673 | return 0; | |
4674 | } | |
4675 | ||
88589343 GH |
4676 | static int mon_init_func(QemuOpts *opts, void *opaque) |
4677 | { | |
4678 | CharDriverState *chr; | |
4679 | const char *chardev; | |
4680 | const char *mode; | |
4681 | int flags; | |
4682 | ||
4683 | mode = qemu_opt_get(opts, "mode"); | |
4684 | if (mode == NULL) { | |
4685 | mode = "readline"; | |
4686 | } | |
4687 | if (strcmp(mode, "readline") == 0) { | |
4688 | flags = MONITOR_USE_READLINE; | |
4689 | } else if (strcmp(mode, "control") == 0) { | |
4690 | flags = MONITOR_USE_CONTROL; | |
4691 | } else { | |
4692 | fprintf(stderr, "unknown monitor mode \"%s\"\n", mode); | |
4693 | exit(1); | |
4694 | } | |
4695 | ||
4696 | if (qemu_opt_get_bool(opts, "default", 0)) | |
4697 | flags |= MONITOR_IS_DEFAULT; | |
4698 | ||
4699 | chardev = qemu_opt_get(opts, "chardev"); | |
4700 | chr = qemu_chr_find(chardev); | |
4701 | if (chr == NULL) { | |
4702 | fprintf(stderr, "chardev \"%s\" not found\n", chardev); | |
4703 | exit(1); | |
4704 | } | |
4705 | ||
4706 | monitor_init(chr, flags); | |
4707 | return 0; | |
4708 | } | |
4709 | ||
6ca5582d | 4710 | static void monitor_parse(const char *optarg, const char *mode) |
88589343 GH |
4711 | { |
4712 | static int monitor_device_index = 0; | |
4713 | QemuOpts *opts; | |
4714 | const char *p; | |
4715 | char label[32]; | |
4716 | int def = 0; | |
4717 | ||
4718 | if (strstart(optarg, "chardev:", &p)) { | |
4719 | snprintf(label, sizeof(label), "%s", p); | |
4720 | } else { | |
4721 | if (monitor_device_index) { | |
4722 | snprintf(label, sizeof(label), "monitor%d", | |
4723 | monitor_device_index); | |
4724 | } else { | |
4725 | snprintf(label, sizeof(label), "monitor"); | |
4726 | def = 1; | |
4727 | } | |
4728 | opts = qemu_chr_parse_compat(label, optarg); | |
4729 | if (!opts) { | |
4730 | fprintf(stderr, "parse error: %s\n", optarg); | |
4731 | exit(1); | |
4732 | } | |
4733 | } | |
4734 | ||
4735 | opts = qemu_opts_create(&qemu_mon_opts, label, 1); | |
4736 | if (!opts) { | |
4737 | fprintf(stderr, "duplicate chardev: %s\n", label); | |
4738 | exit(1); | |
4739 | } | |
6ca5582d | 4740 | qemu_opt_set(opts, "mode", mode); |
88589343 GH |
4741 | qemu_opt_set(opts, "chardev", label); |
4742 | if (def) | |
4743 | qemu_opt_set(opts, "default", "on"); | |
4744 | monitor_device_index++; | |
4745 | } | |
4746 | ||
bd3c948d GH |
4747 | struct device_config { |
4748 | enum { | |
aee1b935 GH |
4749 | DEV_USB, /* -usbdevice */ |
4750 | DEV_BT, /* -bt */ | |
4751 | DEV_SERIAL, /* -serial */ | |
4752 | DEV_PARALLEL, /* -parallel */ | |
4753 | DEV_VIRTCON, /* -virtioconsole */ | |
bd3c948d GH |
4754 | } type; |
4755 | const char *cmdline; | |
72cf2d4f | 4756 | QTAILQ_ENTRY(device_config) next; |
bd3c948d | 4757 | }; |
72cf2d4f | 4758 | QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); |
bd3c948d GH |
4759 | |
4760 | static void add_device_config(int type, const char *cmdline) | |
4761 | { | |
4762 | struct device_config *conf; | |
4763 | ||
4764 | conf = qemu_mallocz(sizeof(*conf)); | |
4765 | conf->type = type; | |
4766 | conf->cmdline = cmdline; | |
72cf2d4f | 4767 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
bd3c948d GH |
4768 | } |
4769 | ||
4770 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) | |
4771 | { | |
4772 | struct device_config *conf; | |
4773 | int rc; | |
4774 | ||
72cf2d4f | 4775 | QTAILQ_FOREACH(conf, &device_configs, next) { |
bd3c948d GH |
4776 | if (conf->type != type) |
4777 | continue; | |
4778 | rc = func(conf->cmdline); | |
4779 | if (0 != rc) | |
4780 | return rc; | |
4781 | } | |
4782 | return 0; | |
4783 | } | |
4784 | ||
998bbd74 GH |
4785 | static int serial_parse(const char *devname) |
4786 | { | |
4787 | static int index = 0; | |
4788 | char label[32]; | |
4789 | ||
4790 | if (strcmp(devname, "none") == 0) | |
4791 | return 0; | |
4792 | if (index == MAX_SERIAL_PORTS) { | |
4793 | fprintf(stderr, "qemu: too many serial ports\n"); | |
4794 | exit(1); | |
4795 | } | |
4796 | snprintf(label, sizeof(label), "serial%d", index); | |
4797 | serial_hds[index] = qemu_chr_open(label, devname, NULL); | |
4798 | if (!serial_hds[index]) { | |
4799 | fprintf(stderr, "qemu: could not open serial device '%s': %s\n", | |
4800 | devname, strerror(errno)); | |
4801 | return -1; | |
4802 | } | |
4803 | index++; | |
4804 | return 0; | |
4805 | } | |
4806 | ||
6a5e8b0e GH |
4807 | static int parallel_parse(const char *devname) |
4808 | { | |
4809 | static int index = 0; | |
4810 | char label[32]; | |
4811 | ||
4812 | if (strcmp(devname, "none") == 0) | |
4813 | return 0; | |
4814 | if (index == MAX_PARALLEL_PORTS) { | |
4815 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
4816 | exit(1); | |
4817 | } | |
4818 | snprintf(label, sizeof(label), "parallel%d", index); | |
4819 | parallel_hds[index] = qemu_chr_open(label, devname, NULL); | |
4820 | if (!parallel_hds[index]) { | |
4821 | fprintf(stderr, "qemu: could not open parallel device '%s': %s\n", | |
4822 | devname, strerror(errno)); | |
4823 | return -1; | |
4824 | } | |
4825 | index++; | |
4826 | return 0; | |
4827 | } | |
4828 | ||
aee1b935 GH |
4829 | static int virtcon_parse(const char *devname) |
4830 | { | |
4831 | static int index = 0; | |
4832 | char label[32]; | |
4833 | ||
4834 | if (strcmp(devname, "none") == 0) | |
4835 | return 0; | |
4836 | if (index == MAX_VIRTIO_CONSOLES) { | |
4837 | fprintf(stderr, "qemu: too many virtio consoles\n"); | |
4838 | exit(1); | |
4839 | } | |
4840 | snprintf(label, sizeof(label), "virtcon%d", index); | |
4841 | virtcon_hds[index] = qemu_chr_open(label, devname, NULL); | |
4842 | if (!virtcon_hds[index]) { | |
4843 | fprintf(stderr, "qemu: could not open virtio console '%s': %s\n", | |
4844 | devname, strerror(errno)); | |
4845 | return -1; | |
4846 | } | |
4847 | index++; | |
4848 | return 0; | |
4849 | } | |
4850 | ||
902b3d5c | 4851 | int main(int argc, char **argv, char **envp) |
0824d6fc | 4852 | { |
59030a8c | 4853 | const char *gdbstub_dev = NULL; |
28c5af54 | 4854 | uint32_t boot_devices_bitmap = 0; |
e4bcb14c | 4855 | int i; |
28c5af54 | 4856 | int snapshot, linux_boot, net_boot; |
7f7f9873 | 4857 | const char *initrd_filename; |
a20dd508 | 4858 | const char *kernel_filename, *kernel_cmdline; |
195325a4 | 4859 | char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ |
3023f332 | 4860 | DisplayState *ds; |
7d957bd8 | 4861 | DisplayChangeListener *dcl; |
46d4767d | 4862 | int cyls, heads, secs, translation; |
f31d07d1 | 4863 | QemuOpts *hda_opts = NULL, *opts; |
cd6f1169 FB |
4864 | int optind; |
4865 | const char *r, *optarg; | |
d63d307f | 4866 | const char *loadvm = NULL; |
cc1daa40 | 4867 | QEMUMachine *machine; |
94fc95cd | 4868 | const char *cpu_model; |
b9e82a59 | 4869 | #ifndef _WIN32 |
71e3ceb8 | 4870 | int fds[2]; |
b9e82a59 | 4871 | #endif |
26a5f13b | 4872 | int tb_size; |
93815bc2 | 4873 | const char *pid_file = NULL; |
5bb7910a | 4874 | const char *incoming = NULL; |
b9e82a59 | 4875 | #ifndef _WIN32 |
54042bcf AL |
4876 | int fd = 0; |
4877 | struct passwd *pwd = NULL; | |
0858532e AL |
4878 | const char *chroot_dir = NULL; |
4879 | const char *run_as = NULL; | |
b9e82a59 | 4880 | #endif |
268a362c | 4881 | CPUState *env; |
993fbfdb | 4882 | int show_vnc_port = 0; |
0bd48850 | 4883 | |
6875204c JK |
4884 | init_clocks(); |
4885 | ||
ac7531ec | 4886 | qemu_errors_to_file(stderr); |
902b3d5c | 4887 | qemu_cache_utils_init(envp); |
4888 | ||
72cf2d4f | 4889 | QLIST_INIT (&vm_change_state_head); |
be995c27 FB |
4890 | #ifndef _WIN32 |
4891 | { | |
4892 | struct sigaction act; | |
4893 | sigfillset(&act.sa_mask); | |
4894 | act.sa_flags = 0; | |
4895 | act.sa_handler = SIG_IGN; | |
4896 | sigaction(SIGPIPE, &act, NULL); | |
4897 | } | |
3587d7e6 FB |
4898 | #else |
4899 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
a8e5ac33 FB |
4900 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
4901 | QEMU to run on a single CPU */ | |
4902 | { | |
4903 | HANDLE h; | |
4904 | DWORD mask, smask; | |
4905 | int i; | |
4906 | h = GetCurrentProcess(); | |
4907 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
4908 | for(i = 0; i < 32; i++) { | |
4909 | if (mask & (1 << i)) | |
4910 | break; | |
4911 | } | |
4912 | if (i != 32) { | |
4913 | mask = 1 << i; | |
4914 | SetProcessAffinityMask(h, mask); | |
4915 | } | |
4916 | } | |
4917 | } | |
67b915a5 | 4918 | #endif |
be995c27 | 4919 | |
f80f9ec9 | 4920 | module_call_init(MODULE_INIT_MACHINE); |
0c257437 | 4921 | machine = find_default_machine(); |
94fc95cd | 4922 | cpu_model = NULL; |
fc01f7e7 | 4923 | initrd_filename = NULL; |
4fc5d071 | 4924 | ram_size = 0; |
33e3963e | 4925 | snapshot = 0; |
a20dd508 FB |
4926 | kernel_filename = NULL; |
4927 | kernel_cmdline = ""; | |
c4b1fcc0 | 4928 | cyls = heads = secs = 0; |
46d4767d | 4929 | translation = BIOS_ATA_TRANSLATION_AUTO; |
c4b1fcc0 | 4930 | |
268a362c AL |
4931 | for (i = 0; i < MAX_NODES; i++) { |
4932 | node_mem[i] = 0; | |
4933 | node_cpumask[i] = 0; | |
4934 | } | |
4935 | ||
268a362c | 4936 | nb_numa_nodes = 0; |
7c9d8e07 | 4937 | nb_nics = 0; |
3b46e624 | 4938 | |
26a5f13b | 4939 | tb_size = 0; |
41bd639b BS |
4940 | autostart= 1; |
4941 | ||
cd6f1169 | 4942 | optind = 1; |
0824d6fc | 4943 | for(;;) { |
cd6f1169 | 4944 | if (optind >= argc) |
0824d6fc | 4945 | break; |
cd6f1169 FB |
4946 | r = argv[optind]; |
4947 | if (r[0] != '-') { | |
9dfd7c7a | 4948 | hda_opts = drive_add(argv[optind++], HD_ALIAS, 0); |
cd6f1169 FB |
4949 | } else { |
4950 | const QEMUOption *popt; | |
4951 | ||
4952 | optind++; | |
dff5efc8 PB |
4953 | /* Treat --foo the same as -foo. */ |
4954 | if (r[1] == '-') | |
4955 | r++; | |
cd6f1169 FB |
4956 | popt = qemu_options; |
4957 | for(;;) { | |
4958 | if (!popt->name) { | |
5fafdf24 | 4959 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
cd6f1169 FB |
4960 | argv[0], r); |
4961 | exit(1); | |
4962 | } | |
4963 | if (!strcmp(popt->name, r + 1)) | |
4964 | break; | |
4965 | popt++; | |
4966 | } | |
4967 | if (popt->flags & HAS_ARG) { | |
4968 | if (optind >= argc) { | |
4969 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
4970 | argv[0], r); | |
4971 | exit(1); | |
4972 | } | |
4973 | optarg = argv[optind++]; | |
4974 | } else { | |
4975 | optarg = NULL; | |
4976 | } | |
4977 | ||
4978 | switch(popt->index) { | |
cc1daa40 FB |
4979 | case QEMU_OPTION_M: |
4980 | machine = find_machine(optarg); | |
4981 | if (!machine) { | |
4982 | QEMUMachine *m; | |
4983 | printf("Supported machines are:\n"); | |
4984 | for(m = first_machine; m != NULL; m = m->next) { | |
3f6599e6 MM |
4985 | if (m->alias) |
4986 | printf("%-10s %s (alias of %s)\n", | |
4987 | m->alias, m->desc, m->name); | |
cc1daa40 | 4988 | printf("%-10s %s%s\n", |
5fafdf24 | 4989 | m->name, m->desc, |
0c257437 | 4990 | m->is_default ? " (default)" : ""); |
cc1daa40 | 4991 | } |
15f82208 | 4992 | exit(*optarg != '?'); |
cc1daa40 FB |
4993 | } |
4994 | break; | |
94fc95cd JM |
4995 | case QEMU_OPTION_cpu: |
4996 | /* hw initialization will check this */ | |
15f82208 | 4997 | if (*optarg == '?') { |
c732abe2 JM |
4998 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
4999 | #if defined(cpu_list) | |
5000 | cpu_list(stdout, &fprintf); | |
94fc95cd | 5001 | #endif |
15f82208 | 5002 | exit(0); |
94fc95cd JM |
5003 | } else { |
5004 | cpu_model = optarg; | |
5005 | } | |
5006 | break; | |
cd6f1169 | 5007 | case QEMU_OPTION_initrd: |
fc01f7e7 FB |
5008 | initrd_filename = optarg; |
5009 | break; | |
cd6f1169 | 5010 | case QEMU_OPTION_hda: |
e4bcb14c | 5011 | if (cyls == 0) |
9dfd7c7a | 5012 | hda_opts = drive_add(optarg, HD_ALIAS, 0); |
e4bcb14c | 5013 | else |
9dfd7c7a | 5014 | hda_opts = drive_add(optarg, HD_ALIAS |
e4bcb14c | 5015 | ",cyls=%d,heads=%d,secs=%d%s", |
609497ab | 5016 | 0, cyls, heads, secs, |
e4bcb14c TS |
5017 | translation == BIOS_ATA_TRANSLATION_LBA ? |
5018 | ",trans=lba" : | |
5019 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
5020 | ",trans=none" : ""); | |
5021 | break; | |
cd6f1169 | 5022 | case QEMU_OPTION_hdb: |
cc1daa40 FB |
5023 | case QEMU_OPTION_hdc: |
5024 | case QEMU_OPTION_hdd: | |
609497ab | 5025 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
fc01f7e7 | 5026 | break; |
e4bcb14c | 5027 | case QEMU_OPTION_drive: |
609497ab | 5028 | drive_add(NULL, "%s", optarg); |
e4bcb14c | 5029 | break; |
d058fe03 GH |
5030 | case QEMU_OPTION_set: |
5031 | if (qemu_set_option(optarg) != 0) | |
5032 | exit(1); | |
5033 | break; | |
d0fef6fb GH |
5034 | case QEMU_OPTION_global: |
5035 | if (qemu_global_option(optarg) != 0) | |
5036 | exit(1); | |
5037 | break; | |
3e3d5815 | 5038 | case QEMU_OPTION_mtdblock: |
609497ab | 5039 | drive_add(optarg, MTD_ALIAS); |
3e3d5815 | 5040 | break; |
a1bb27b1 | 5041 | case QEMU_OPTION_sd: |
609497ab | 5042 | drive_add(optarg, SD_ALIAS); |
a1bb27b1 | 5043 | break; |
86f55663 | 5044 | case QEMU_OPTION_pflash: |
609497ab | 5045 | drive_add(optarg, PFLASH_ALIAS); |
86f55663 | 5046 | break; |
cd6f1169 | 5047 | case QEMU_OPTION_snapshot: |
33e3963e FB |
5048 | snapshot = 1; |
5049 | break; | |
cd6f1169 | 5050 | case QEMU_OPTION_hdachs: |
330d0414 | 5051 | { |
330d0414 FB |
5052 | const char *p; |
5053 | p = optarg; | |
5054 | cyls = strtol(p, (char **)&p, 0); | |
46d4767d FB |
5055 | if (cyls < 1 || cyls > 16383) |
5056 | goto chs_fail; | |
330d0414 FB |
5057 | if (*p != ',') |
5058 | goto chs_fail; | |
5059 | p++; | |
5060 | heads = strtol(p, (char **)&p, 0); | |
46d4767d FB |
5061 | if (heads < 1 || heads > 16) |
5062 | goto chs_fail; | |
330d0414 FB |
5063 | if (*p != ',') |
5064 | goto chs_fail; | |
5065 | p++; | |
5066 | secs = strtol(p, (char **)&p, 0); | |
46d4767d FB |
5067 | if (secs < 1 || secs > 63) |
5068 | goto chs_fail; | |
5069 | if (*p == ',') { | |
5070 | p++; | |
5071 | if (!strcmp(p, "none")) | |
5072 | translation = BIOS_ATA_TRANSLATION_NONE; | |
5073 | else if (!strcmp(p, "lba")) | |
5074 | translation = BIOS_ATA_TRANSLATION_LBA; | |
5075 | else if (!strcmp(p, "auto")) | |
5076 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
5077 | else | |
5078 | goto chs_fail; | |
5079 | } else if (*p != '\0') { | |
c4b1fcc0 | 5080 | chs_fail: |
46d4767d FB |
5081 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
5082 | exit(1); | |
c4b1fcc0 | 5083 | } |
9dfd7c7a GH |
5084 | if (hda_opts != NULL) { |
5085 | char num[16]; | |
5086 | snprintf(num, sizeof(num), "%d", cyls); | |
5087 | qemu_opt_set(hda_opts, "cyls", num); | |
5088 | snprintf(num, sizeof(num), "%d", heads); | |
5089 | qemu_opt_set(hda_opts, "heads", num); | |
5090 | snprintf(num, sizeof(num), "%d", secs); | |
5091 | qemu_opt_set(hda_opts, "secs", num); | |
5092 | if (translation == BIOS_ATA_TRANSLATION_LBA) | |
5093 | qemu_opt_set(hda_opts, "trans", "lba"); | |
5094 | if (translation == BIOS_ATA_TRANSLATION_NONE) | |
5095 | qemu_opt_set(hda_opts, "trans", "none"); | |
5096 | } | |
330d0414 FB |
5097 | } |
5098 | break; | |
268a362c AL |
5099 | case QEMU_OPTION_numa: |
5100 | if (nb_numa_nodes >= MAX_NODES) { | |
5101 | fprintf(stderr, "qemu: too many NUMA nodes\n"); | |
5102 | exit(1); | |
5103 | } | |
5104 | numa_add(optarg); | |
5105 | break; | |
cd6f1169 | 5106 | case QEMU_OPTION_nographic: |
993fbfdb | 5107 | display_type = DT_NOGRAPHIC; |
a20dd508 | 5108 | break; |
4d3b6f6e AZ |
5109 | #ifdef CONFIG_CURSES |
5110 | case QEMU_OPTION_curses: | |
993fbfdb | 5111 | display_type = DT_CURSES; |
4d3b6f6e AZ |
5112 | break; |
5113 | #endif | |
a171fe39 AZ |
5114 | case QEMU_OPTION_portrait: |
5115 | graphic_rotate = 1; | |
5116 | break; | |
cd6f1169 | 5117 | case QEMU_OPTION_kernel: |
a20dd508 FB |
5118 | kernel_filename = optarg; |
5119 | break; | |
cd6f1169 | 5120 | case QEMU_OPTION_append: |
a20dd508 | 5121 | kernel_cmdline = optarg; |
313aa567 | 5122 | break; |
cd6f1169 | 5123 | case QEMU_OPTION_cdrom: |
609497ab | 5124 | drive_add(optarg, CDROM_ALIAS); |
36b486bb | 5125 | break; |
cd6f1169 | 5126 | case QEMU_OPTION_boot: |
28c5af54 | 5127 | { |
ef3adf68 | 5128 | static const char * const params[] = { |
95387491 | 5129 | "order", "once", "menu", NULL |
ef3adf68 JK |
5130 | }; |
5131 | char buf[sizeof(boot_devices)]; | |
e0f084bf | 5132 | char *standard_boot_devices; |
ef3adf68 JK |
5133 | int legacy = 0; |
5134 | ||
5135 | if (!strchr(optarg, '=')) { | |
5136 | legacy = 1; | |
5137 | pstrcpy(buf, sizeof(buf), optarg); | |
5138 | } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { | |
5139 | fprintf(stderr, | |
5140 | "qemu: unknown boot parameter '%s' in '%s'\n", | |
5141 | buf, optarg); | |
5142 | exit(1); | |
5143 | } | |
5144 | ||
5145 | if (legacy || | |
5146 | get_param_value(buf, sizeof(buf), "order", optarg)) { | |
5147 | boot_devices_bitmap = parse_bootdevices(buf); | |
5148 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
28c5af54 | 5149 | } |
e0f084bf JK |
5150 | if (!legacy) { |
5151 | if (get_param_value(buf, sizeof(buf), | |
5152 | "once", optarg)) { | |
5153 | boot_devices_bitmap |= parse_bootdevices(buf); | |
5154 | standard_boot_devices = qemu_strdup(boot_devices); | |
5155 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
5156 | qemu_register_reset(restore_boot_devices, | |
5157 | standard_boot_devices); | |
5158 | } | |
95387491 JK |
5159 | if (get_param_value(buf, sizeof(buf), |
5160 | "menu", optarg)) { | |
5161 | if (!strcmp(buf, "on")) { | |
5162 | boot_menu = 1; | |
5163 | } else if (!strcmp(buf, "off")) { | |
5164 | boot_menu = 0; | |
5165 | } else { | |
5166 | fprintf(stderr, | |
5167 | "qemu: invalid option value '%s'\n", | |
5168 | buf); | |
5169 | exit(1); | |
5170 | } | |
5171 | } | |
e0f084bf | 5172 | } |
36b486bb FB |
5173 | } |
5174 | break; | |
cd6f1169 | 5175 | case QEMU_OPTION_fda: |
cd6f1169 | 5176 | case QEMU_OPTION_fdb: |
609497ab | 5177 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
c45886db | 5178 | break; |
52ca8d6a FB |
5179 | #ifdef TARGET_I386 |
5180 | case QEMU_OPTION_no_fd_bootchk: | |
5181 | fd_bootchk = 0; | |
5182 | break; | |
5183 | #endif | |
a1ea458f MM |
5184 | case QEMU_OPTION_netdev: |
5185 | if (net_client_parse(&qemu_netdev_opts, optarg) == -1) { | |
5186 | exit(1); | |
5187 | } | |
5188 | break; | |
7c9d8e07 | 5189 | case QEMU_OPTION_net: |
7f161aae | 5190 | if (net_client_parse(&qemu_net_opts, optarg) == -1) { |
c4b1fcc0 FB |
5191 | exit(1); |
5192 | } | |
702c651c | 5193 | break; |
c7f74643 FB |
5194 | #ifdef CONFIG_SLIRP |
5195 | case QEMU_OPTION_tftp: | |
ad196a9d | 5196 | legacy_tftp_prefix = optarg; |
9bf05444 | 5197 | break; |
47d5d01a | 5198 | case QEMU_OPTION_bootp: |
ad196a9d | 5199 | legacy_bootp_filename = optarg; |
47d5d01a | 5200 | break; |
c94c8d64 | 5201 | #ifndef _WIN32 |
9d728e8c | 5202 | case QEMU_OPTION_smb: |
0752706d MA |
5203 | if (net_slirp_smb(optarg) < 0) |
5204 | exit(1); | |
9d728e8c | 5205 | break; |
c94c8d64 | 5206 | #endif |
9bf05444 | 5207 | case QEMU_OPTION_redir: |
0752706d MA |
5208 | if (net_slirp_redir(optarg) < 0) |
5209 | exit(1); | |
9bf05444 | 5210 | break; |
c7f74643 | 5211 | #endif |
dc72ac14 | 5212 | case QEMU_OPTION_bt: |
bd3c948d | 5213 | add_device_config(DEV_BT, optarg); |
dc72ac14 | 5214 | break; |
1d14ffa9 | 5215 | #ifdef HAS_AUDIO |
1d14ffa9 FB |
5216 | case QEMU_OPTION_audio_help: |
5217 | AUD_help (); | |
5218 | exit (0); | |
5219 | break; | |
5220 | case QEMU_OPTION_soundhw: | |
5221 | select_soundhw (optarg); | |
5222 | break; | |
5223 | #endif | |
cd6f1169 | 5224 | case QEMU_OPTION_h: |
15f82208 | 5225 | help(0); |
cd6f1169 | 5226 | break; |
9bd7e6d9 PB |
5227 | case QEMU_OPTION_version: |
5228 | version(); | |
5229 | exit(0); | |
5230 | break; | |
00f82b8a AJ |
5231 | case QEMU_OPTION_m: { |
5232 | uint64_t value; | |
5233 | char *ptr; | |
5234 | ||
5235 | value = strtoul(optarg, &ptr, 10); | |
5236 | switch (*ptr) { | |
5237 | case 0: case 'M': case 'm': | |
5238 | value <<= 20; | |
5239 | break; | |
5240 | case 'G': case 'g': | |
5241 | value <<= 30; | |
5242 | break; | |
5243 | default: | |
5244 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
cd6f1169 FB |
5245 | exit(1); |
5246 | } | |
00f82b8a AJ |
5247 | |
5248 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
4a1418e0 | 5249 | if (value > (2047 << 20) && HOST_LONG_BITS == 32) { |
00f82b8a AJ |
5250 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); |
5251 | exit(1); | |
5252 | } | |
c227f099 | 5253 | if (value != (uint64_t)(ram_addr_t)value) { |
00f82b8a AJ |
5254 | fprintf(stderr, "qemu: ram size too large\n"); |
5255 | exit(1); | |
5256 | } | |
5257 | ram_size = value; | |
cd6f1169 | 5258 | break; |
00f82b8a | 5259 | } |
cd6f1169 FB |
5260 | case QEMU_OPTION_d: |
5261 | { | |
5262 | int mask; | |
c7cd6a37 | 5263 | const CPULogItem *item; |
3b46e624 | 5264 | |
cd6f1169 FB |
5265 | mask = cpu_str_to_log_mask(optarg); |
5266 | if (!mask) { | |
5267 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
5268 | for(item = cpu_log_items; item->mask != 0; item++) { |
5269 | printf("%-10s %s\n", item->name, item->help); | |
5270 | } | |
5271 | exit(1); | |
cd6f1169 FB |
5272 | } |
5273 | cpu_set_log(mask); | |
f193c797 | 5274 | } |
cd6f1169 | 5275 | break; |
cd6f1169 | 5276 | case QEMU_OPTION_s: |
59030a8c | 5277 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; |
cd6f1169 | 5278 | break; |
59030a8c AL |
5279 | case QEMU_OPTION_gdb: |
5280 | gdbstub_dev = optarg; | |
cd6f1169 | 5281 | break; |
cd6f1169 | 5282 | case QEMU_OPTION_L: |
5cea8590 | 5283 | data_dir = optarg; |
cd6f1169 | 5284 | break; |
1192dad8 JM |
5285 | case QEMU_OPTION_bios: |
5286 | bios_name = optarg; | |
5287 | break; | |
1b530a6d AJ |
5288 | case QEMU_OPTION_singlestep: |
5289 | singlestep = 1; | |
5290 | break; | |
cd6f1169 | 5291 | case QEMU_OPTION_S: |
3c07f8e8 | 5292 | autostart = 0; |
cd6f1169 | 5293 | break; |
3d11d0eb FB |
5294 | case QEMU_OPTION_k: |
5295 | keyboard_layout = optarg; | |
5296 | break; | |
ee22c2f7 FB |
5297 | case QEMU_OPTION_localtime: |
5298 | rtc_utc = 0; | |
5299 | break; | |
3893c124 | 5300 | case QEMU_OPTION_vga: |
5301 | select_vgahw (optarg); | |
1bfe856e | 5302 | break; |
5824d651 | 5303 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
e9b137c2 FB |
5304 | case QEMU_OPTION_g: |
5305 | { | |
5306 | const char *p; | |
5307 | int w, h, depth; | |
5308 | p = optarg; | |
5309 | w = strtol(p, (char **)&p, 10); | |
5310 | if (w <= 0) { | |
5311 | graphic_error: | |
5312 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
5313 | exit(1); | |
5314 | } | |
5315 | if (*p != 'x') | |
5316 | goto graphic_error; | |
5317 | p++; | |
5318 | h = strtol(p, (char **)&p, 10); | |
5319 | if (h <= 0) | |
5320 | goto graphic_error; | |
5321 | if (*p == 'x') { | |
5322 | p++; | |
5323 | depth = strtol(p, (char **)&p, 10); | |
5fafdf24 | 5324 | if (depth != 8 && depth != 15 && depth != 16 && |
e9b137c2 FB |
5325 | depth != 24 && depth != 32) |
5326 | goto graphic_error; | |
5327 | } else if (*p == '\0') { | |
5328 | depth = graphic_depth; | |
5329 | } else { | |
5330 | goto graphic_error; | |
5331 | } | |
3b46e624 | 5332 | |
e9b137c2 FB |
5333 | graphic_width = w; |
5334 | graphic_height = h; | |
5335 | graphic_depth = depth; | |
5336 | } | |
5337 | break; | |
5824d651 | 5338 | #endif |
20d8a3ed TS |
5339 | case QEMU_OPTION_echr: |
5340 | { | |
5341 | char *r; | |
5342 | term_escape_char = strtol(optarg, &r, 0); | |
5343 | if (r == optarg) | |
5344 | printf("Bad argument to echr\n"); | |
5345 | break; | |
5346 | } | |
82c643ff | 5347 | case QEMU_OPTION_monitor: |
6ca5582d GH |
5348 | monitor_parse(optarg, "readline"); |
5349 | default_monitor = 0; | |
5350 | break; | |
5351 | case QEMU_OPTION_qmp: | |
5352 | monitor_parse(optarg, "control"); | |
abdeed06 | 5353 | default_monitor = 0; |
82c643ff | 5354 | break; |
22a0e04b GH |
5355 | case QEMU_OPTION_mon: |
5356 | opts = qemu_opts_parse(&qemu_mon_opts, optarg, "chardev"); | |
5357 | if (!opts) { | |
5358 | fprintf(stderr, "parse error: %s\n", optarg); | |
5359 | exit(1); | |
5360 | } | |
5361 | default_monitor = 0; | |
5362 | break; | |
191bc01b GH |
5363 | case QEMU_OPTION_chardev: |
5364 | opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend"); | |
5365 | if (!opts) { | |
5366 | fprintf(stderr, "parse error: %s\n", optarg); | |
5367 | exit(1); | |
5368 | } | |
191bc01b | 5369 | break; |
82c643ff | 5370 | case QEMU_OPTION_serial: |
998bbd74 GH |
5371 | add_device_config(DEV_SERIAL, optarg); |
5372 | default_serial = 0; | |
82c643ff | 5373 | break; |
9dd986cc | 5374 | case QEMU_OPTION_watchdog: |
09aaa160 MA |
5375 | if (watchdog) { |
5376 | fprintf(stderr, | |
5377 | "qemu: only one watchdog option may be given\n"); | |
5378 | return 1; | |
5379 | } | |
5380 | watchdog = optarg; | |
9dd986cc RJ |
5381 | break; |
5382 | case QEMU_OPTION_watchdog_action: | |
5383 | if (select_watchdog_action(optarg) == -1) { | |
5384 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); | |
5385 | exit(1); | |
5386 | } | |
5387 | break; | |
51ecf136 | 5388 | case QEMU_OPTION_virtiocon: |
aee1b935 GH |
5389 | add_device_config(DEV_VIRTCON, optarg); |
5390 | default_virtcon = 0; | |
51ecf136 | 5391 | break; |
6508fe59 | 5392 | case QEMU_OPTION_parallel: |
6a5e8b0e GH |
5393 | add_device_config(DEV_PARALLEL, optarg); |
5394 | default_parallel = 0; | |
6508fe59 | 5395 | break; |
d63d307f FB |
5396 | case QEMU_OPTION_loadvm: |
5397 | loadvm = optarg; | |
5398 | break; | |
5399 | case QEMU_OPTION_full_screen: | |
5400 | full_screen = 1; | |
5401 | break; | |
667accab | 5402 | #ifdef CONFIG_SDL |
43523e93 TS |
5403 | case QEMU_OPTION_no_frame: |
5404 | no_frame = 1; | |
5405 | break; | |
3780e197 TS |
5406 | case QEMU_OPTION_alt_grab: |
5407 | alt_grab = 1; | |
5408 | break; | |
0ca9f8a4 DK |
5409 | case QEMU_OPTION_ctrl_grab: |
5410 | ctrl_grab = 1; | |
5411 | break; | |
667accab TS |
5412 | case QEMU_OPTION_no_quit: |
5413 | no_quit = 1; | |
5414 | break; | |
7d957bd8 | 5415 | case QEMU_OPTION_sdl: |
993fbfdb | 5416 | display_type = DT_SDL; |
7d957bd8 | 5417 | break; |
667accab | 5418 | #endif |
f7cce898 | 5419 | case QEMU_OPTION_pidfile: |
93815bc2 | 5420 | pid_file = optarg; |
f7cce898 | 5421 | break; |
a09db21f FB |
5422 | #ifdef TARGET_I386 |
5423 | case QEMU_OPTION_win2k_hack: | |
5424 | win2k_install_hack = 1; | |
5425 | break; | |
73822ec8 AL |
5426 | case QEMU_OPTION_rtc_td_hack: |
5427 | rtc_td_hack = 1; | |
5428 | break; | |
8a92ea2f AL |
5429 | case QEMU_OPTION_acpitable: |
5430 | if(acpi_table_add(optarg) < 0) { | |
5431 | fprintf(stderr, "Wrong acpi table provided\n"); | |
5432 | exit(1); | |
5433 | } | |
5434 | break; | |
b6f6e3d3 AL |
5435 | case QEMU_OPTION_smbios: |
5436 | if(smbios_entry_add(optarg) < 0) { | |
5437 | fprintf(stderr, "Wrong smbios provided\n"); | |
5438 | exit(1); | |
5439 | } | |
5440 | break; | |
a09db21f | 5441 | #endif |
7ba1e619 AL |
5442 | #ifdef CONFIG_KVM |
5443 | case QEMU_OPTION_enable_kvm: | |
5444 | kvm_allowed = 1; | |
7ba1e619 | 5445 | break; |
d993e026 | 5446 | #endif |
bb36d470 FB |
5447 | case QEMU_OPTION_usb: |
5448 | usb_enabled = 1; | |
5449 | break; | |
a594cfbf FB |
5450 | case QEMU_OPTION_usbdevice: |
5451 | usb_enabled = 1; | |
bd3c948d GH |
5452 | add_device_config(DEV_USB, optarg); |
5453 | break; | |
5454 | case QEMU_OPTION_device: | |
b386becf | 5455 | if (!qemu_opts_parse(&qemu_device_opts, optarg, "driver")) { |
f31d07d1 GH |
5456 | exit(1); |
5457 | } | |
a594cfbf | 5458 | break; |
6a00d601 | 5459 | case QEMU_OPTION_smp: |
dc6b1c09 | 5460 | smp_parse(optarg); |
b2097003 | 5461 | if (smp_cpus < 1) { |
6a00d601 FB |
5462 | fprintf(stderr, "Invalid number of CPUs\n"); |
5463 | exit(1); | |
5464 | } | |
6be68d7e JS |
5465 | if (max_cpus < smp_cpus) { |
5466 | fprintf(stderr, "maxcpus must be equal to or greater than " | |
5467 | "smp\n"); | |
5468 | exit(1); | |
5469 | } | |
5470 | if (max_cpus > 255) { | |
5471 | fprintf(stderr, "Unsupported number of maxcpus\n"); | |
5472 | exit(1); | |
5473 | } | |
6a00d601 | 5474 | break; |
24236869 | 5475 | case QEMU_OPTION_vnc: |
993fbfdb | 5476 | display_type = DT_VNC; |
73fc9742 | 5477 | vnc_display = optarg; |
24236869 | 5478 | break; |
5824d651 | 5479 | #ifdef TARGET_I386 |
6515b203 FB |
5480 | case QEMU_OPTION_no_acpi: |
5481 | acpi_enabled = 0; | |
5482 | break; | |
16b29ae1 AL |
5483 | case QEMU_OPTION_no_hpet: |
5484 | no_hpet = 1; | |
5485 | break; | |
7d4c3d53 MA |
5486 | case QEMU_OPTION_balloon: |
5487 | if (balloon_parse(optarg) < 0) { | |
5488 | fprintf(stderr, "Unknown -balloon argument %s\n", optarg); | |
5489 | exit(1); | |
5490 | } | |
df97b920 | 5491 | break; |
5824d651 | 5492 | #endif |
d1beab82 FB |
5493 | case QEMU_OPTION_no_reboot: |
5494 | no_reboot = 1; | |
5495 | break; | |
b2f76161 AJ |
5496 | case QEMU_OPTION_no_shutdown: |
5497 | no_shutdown = 1; | |
5498 | break; | |
9467cd46 AZ |
5499 | case QEMU_OPTION_show_cursor: |
5500 | cursor_hide = 0; | |
5501 | break; | |
8fcb1b90 BS |
5502 | case QEMU_OPTION_uuid: |
5503 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5504 | fprintf(stderr, "Fail to parse UUID string." | |
5505 | " Wrong format.\n"); | |
5506 | exit(1); | |
5507 | } | |
5508 | break; | |
5824d651 | 5509 | #ifndef _WIN32 |
71e3ceb8 TS |
5510 | case QEMU_OPTION_daemonize: |
5511 | daemonize = 1; | |
5512 | break; | |
5824d651 | 5513 | #endif |
9ae02555 TS |
5514 | case QEMU_OPTION_option_rom: |
5515 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5516 | fprintf(stderr, "Too many option ROMs\n"); | |
5517 | exit(1); | |
5518 | } | |
5519 | option_rom[nb_option_roms] = optarg; | |
5520 | nb_option_roms++; | |
5521 | break; | |
5824d651 | 5522 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
8e71621f PB |
5523 | case QEMU_OPTION_semihosting: |
5524 | semihosting_enabled = 1; | |
5525 | break; | |
5824d651 | 5526 | #endif |
c35734b2 | 5527 | case QEMU_OPTION_name: |
1889465a AK |
5528 | qemu_name = qemu_strdup(optarg); |
5529 | { | |
5530 | char *p = strchr(qemu_name, ','); | |
5531 | if (p != NULL) { | |
5532 | *p++ = 0; | |
5533 | if (strncmp(p, "process=", 8)) { | |
5534 | fprintf(stderr, "Unknown subargument %s to -name", p); | |
5535 | exit(1); | |
5536 | } | |
5537 | p += 8; | |
5538 | set_proc_name(p); | |
5539 | } | |
5540 | } | |
c35734b2 | 5541 | break; |
95efd11c | 5542 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
5543 | case QEMU_OPTION_prom_env: |
5544 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5545 | fprintf(stderr, "Too many prom variables\n"); | |
5546 | exit(1); | |
5547 | } | |
5548 | prom_envs[nb_prom_envs] = optarg; | |
5549 | nb_prom_envs++; | |
5550 | break; | |
2b8f2d41 AZ |
5551 | #endif |
5552 | #ifdef TARGET_ARM | |
5553 | case QEMU_OPTION_old_param: | |
5554 | old_param = 1; | |
05ebd537 | 5555 | break; |
66508601 | 5556 | #endif |
f3dcfada TS |
5557 | case QEMU_OPTION_clock: |
5558 | configure_alarms(optarg); | |
5559 | break; | |
7e0af5d0 | 5560 | case QEMU_OPTION_startdate: |
1ed2fc1f JK |
5561 | configure_rtc_date_offset(optarg, 1); |
5562 | break; | |
5563 | case QEMU_OPTION_rtc: | |
5564 | opts = qemu_opts_parse(&qemu_rtc_opts, optarg, NULL); | |
5565 | if (!opts) { | |
5566 | fprintf(stderr, "parse error: %s\n", optarg); | |
5567 | exit(1); | |
7e0af5d0 | 5568 | } |
1ed2fc1f | 5569 | configure_rtc(opts); |
7e0af5d0 | 5570 | break; |
26a5f13b FB |
5571 | case QEMU_OPTION_tb_size: |
5572 | tb_size = strtol(optarg, NULL, 0); | |
5573 | if (tb_size < 0) | |
5574 | tb_size = 0; | |
5575 | break; | |
2e70f6ef PB |
5576 | case QEMU_OPTION_icount: |
5577 | use_icount = 1; | |
5578 | if (strcmp(optarg, "auto") == 0) { | |
5579 | icount_time_shift = -1; | |
5580 | } else { | |
5581 | icount_time_shift = strtol(optarg, NULL, 0); | |
5582 | } | |
5583 | break; | |
5bb7910a AL |
5584 | case QEMU_OPTION_incoming: |
5585 | incoming = optarg; | |
5586 | break; | |
d8c208dd GH |
5587 | case QEMU_OPTION_nodefaults: |
5588 | default_serial = 0; | |
5589 | default_parallel = 0; | |
aee1b935 | 5590 | default_virtcon = 0; |
d8c208dd GH |
5591 | default_monitor = 0; |
5592 | default_vga = 0; | |
cb4522cc | 5593 | default_net = 0; |
aa40fc9c | 5594 | default_drive = 0; |
d8c208dd | 5595 | break; |
5824d651 | 5596 | #ifndef _WIN32 |
0858532e AL |
5597 | case QEMU_OPTION_chroot: |
5598 | chroot_dir = optarg; | |
5599 | break; | |
5600 | case QEMU_OPTION_runas: | |
5601 | run_as = optarg; | |
5602 | break; | |
e37630ca AL |
5603 | #endif |
5604 | #ifdef CONFIG_XEN | |
5605 | case QEMU_OPTION_xen_domid: | |
5606 | xen_domid = atoi(optarg); | |
5607 | break; | |
5608 | case QEMU_OPTION_xen_create: | |
5609 | xen_mode = XEN_CREATE; | |
5610 | break; | |
5611 | case QEMU_OPTION_xen_attach: | |
5612 | xen_mode = XEN_ATTACH; | |
5613 | break; | |
5824d651 | 5614 | #endif |
715a664a GH |
5615 | case QEMU_OPTION_readconfig: |
5616 | { | |
5617 | FILE *fp; | |
5618 | fp = fopen(optarg, "r"); | |
5619 | if (fp == NULL) { | |
5620 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5621 | exit(1); | |
5622 | } | |
5623 | if (qemu_config_parse(fp) != 0) { | |
5624 | exit(1); | |
5625 | } | |
5626 | fclose(fp); | |
5627 | break; | |
5628 | } | |
5629 | case QEMU_OPTION_writeconfig: | |
5630 | { | |
5631 | FILE *fp; | |
5632 | if (strcmp(optarg, "-") == 0) { | |
5633 | fp = stdout; | |
5634 | } else { | |
5635 | fp = fopen(optarg, "w"); | |
5636 | if (fp == NULL) { | |
5637 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5638 | exit(1); | |
5639 | } | |
5640 | } | |
5641 | qemu_config_write(fp); | |
5642 | fclose(fp); | |
5643 | break; | |
5644 | } | |
cd6f1169 | 5645 | } |
0824d6fc FB |
5646 | } |
5647 | } | |
330d0414 | 5648 | |
5cea8590 PB |
5649 | /* If no data_dir is specified then try to find it relative to the |
5650 | executable path. */ | |
5651 | if (!data_dir) { | |
5652 | data_dir = find_datadir(argv[0]); | |
5653 | } | |
5654 | /* If all else fails use the install patch specified when building. */ | |
5655 | if (!data_dir) { | |
5656 | data_dir = CONFIG_QEMU_SHAREDIR; | |
5657 | } | |
5658 | ||
6be68d7e JS |
5659 | /* |
5660 | * Default to max_cpus = smp_cpus, in case the user doesn't | |
5661 | * specify a max_cpus value. | |
5662 | */ | |
5663 | if (!max_cpus) | |
5664 | max_cpus = smp_cpus; | |
5665 | ||
3d878caa | 5666 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
b2097003 AL |
5667 | if (smp_cpus > machine->max_cpus) { |
5668 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5669 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5670 | machine->max_cpus); | |
5671 | exit(1); | |
5672 | } | |
5673 | ||
998bbd74 GH |
5674 | qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0); |
5675 | ||
986c5f78 GH |
5676 | if (machine->no_serial) { |
5677 | default_serial = 0; | |
5678 | } | |
5679 | if (machine->no_parallel) { | |
5680 | default_parallel = 0; | |
5681 | } | |
5682 | if (!machine->use_virtcon) { | |
5683 | default_virtcon = 0; | |
5684 | } | |
5685 | if (machine->no_vga) { | |
5686 | default_vga = 0; | |
5687 | } | |
5688 | ||
993fbfdb | 5689 | if (display_type == DT_NOGRAPHIC) { |
6a5e8b0e GH |
5690 | if (default_parallel) |
5691 | add_device_config(DEV_PARALLEL, "null"); | |
e1c09175 GH |
5692 | if (default_serial && default_monitor) { |
5693 | add_device_config(DEV_SERIAL, "mon:stdio"); | |
986c5f78 GH |
5694 | } else if (default_virtcon && default_monitor) { |
5695 | add_device_config(DEV_VIRTCON, "mon:stdio"); | |
e1c09175 GH |
5696 | } else { |
5697 | if (default_serial) | |
5698 | add_device_config(DEV_SERIAL, "stdio"); | |
986c5f78 GH |
5699 | if (default_virtcon) |
5700 | add_device_config(DEV_VIRTCON, "stdio"); | |
e1c09175 | 5701 | if (default_monitor) |
6ca5582d | 5702 | monitor_parse("stdio", "readline"); |
e1c09175 | 5703 | } |
998bbd74 GH |
5704 | } else { |
5705 | if (default_serial) | |
5706 | add_device_config(DEV_SERIAL, "vc:80Cx24C"); | |
6a5e8b0e GH |
5707 | if (default_parallel) |
5708 | add_device_config(DEV_PARALLEL, "vc:80Cx24C"); | |
abdeed06 | 5709 | if (default_monitor) |
6ca5582d | 5710 | monitor_parse("vc:80Cx24C", "readline"); |
38536da1 AG |
5711 | if (default_virtcon) |
5712 | add_device_config(DEV_VIRTCON, "vc:80Cx24C"); | |
bc0129d9 | 5713 | } |
64465297 GH |
5714 | if (default_vga) |
5715 | vga_interface_type = VGA_CIRRUS; | |
bc0129d9 | 5716 | |
1a688d3b GH |
5717 | if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0) |
5718 | exit(1); | |
5719 | ||
71e3ceb8 | 5720 | #ifndef _WIN32 |
71e3ceb8 TS |
5721 | if (daemonize) { |
5722 | pid_t pid; | |
5723 | ||
5724 | if (pipe(fds) == -1) | |
5725 | exit(1); | |
5726 | ||
5727 | pid = fork(); | |
5728 | if (pid > 0) { | |
5729 | uint8_t status; | |
5730 | ssize_t len; | |
5731 | ||
5732 | close(fds[1]); | |
5733 | ||
5734 | again: | |
93815bc2 TS |
5735 | len = read(fds[0], &status, 1); |
5736 | if (len == -1 && (errno == EINTR)) | |
5737 | goto again; | |
5738 | ||
5739 | if (len != 1) | |
5740 | exit(1); | |
5741 | else if (status == 1) { | |
850810d0 | 5742 | fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno)); |
93815bc2 TS |
5743 | exit(1); |
5744 | } else | |
5745 | exit(0); | |
71e3ceb8 | 5746 | } else if (pid < 0) |
93815bc2 | 5747 | exit(1); |
71e3ceb8 | 5748 | |
40ff6d7e KW |
5749 | close(fds[0]); |
5750 | qemu_set_cloexec(fds[1]); | |
5751 | ||
71e3ceb8 TS |
5752 | setsid(); |
5753 | ||
5754 | pid = fork(); | |
5755 | if (pid > 0) | |
5756 | exit(0); | |
5757 | else if (pid < 0) | |
5758 | exit(1); | |
5759 | ||
5760 | umask(027); | |
71e3ceb8 TS |
5761 | |
5762 | signal(SIGTSTP, SIG_IGN); | |
5763 | signal(SIGTTOU, SIG_IGN); | |
5764 | signal(SIGTTIN, SIG_IGN); | |
5765 | } | |
71e3ceb8 | 5766 | |
aa26bb2d | 5767 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
93815bc2 TS |
5768 | if (daemonize) { |
5769 | uint8_t status = 1; | |
5770 | write(fds[1], &status, 1); | |
5771 | } else | |
850810d0 | 5772 | fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno)); |
93815bc2 TS |
5773 | exit(1); |
5774 | } | |
b9e82a59 | 5775 | #endif |
93815bc2 | 5776 | |
214910a7 MT |
5777 | if (kvm_enabled()) { |
5778 | int ret; | |
5779 | ||
5780 | ret = kvm_init(smp_cpus); | |
5781 | if (ret < 0) { | |
5782 | fprintf(stderr, "failed to initialize KVM\n"); | |
5783 | exit(1); | |
5784 | } | |
5785 | } | |
5786 | ||
3fcf7b6b AL |
5787 | if (qemu_init_main_loop()) { |
5788 | fprintf(stderr, "qemu_init_main_loop failed\n"); | |
5789 | exit(1); | |
5790 | } | |
a20dd508 | 5791 | linux_boot = (kernel_filename != NULL); |
6c41b272 | 5792 | |
f8d39c01 TS |
5793 | if (!linux_boot && *kernel_cmdline != '\0') { |
5794 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
5795 | exit(1); | |
5796 | } | |
5797 | ||
5798 | if (!linux_boot && initrd_filename != NULL) { | |
5799 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
5800 | exit(1); | |
5801 | } | |
5802 | ||
bf65f53f FN |
5803 | #ifndef _WIN32 |
5804 | /* Win32 doesn't support line-buffering and requires size >= 2 */ | |
b118d61e | 5805 | setvbuf(stdout, NULL, _IOLBF, 0); |
bf65f53f | 5806 | #endif |
3b46e624 | 5807 | |
7183b4b4 AL |
5808 | if (init_timer_alarm() < 0) { |
5809 | fprintf(stderr, "could not initialize alarm timer\n"); | |
5810 | exit(1); | |
5811 | } | |
2e70f6ef PB |
5812 | if (use_icount && icount_time_shift < 0) { |
5813 | use_icount = 2; | |
5814 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
5815 | It will be corrected fairly quickly anyway. */ | |
5816 | icount_time_shift = 3; | |
5817 | init_icount_adjust(); | |
5818 | } | |
634fce96 | 5819 | |
fd1dff4b FB |
5820 | #ifdef _WIN32 |
5821 | socket_init(); | |
5822 | #endif | |
5823 | ||
dc1c9fe8 MM |
5824 | if (net_init_clients() < 0) { |
5825 | exit(1); | |
702c651c | 5826 | } |
f1510b2c | 5827 | |
406c8df3 GC |
5828 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
5829 | net_set_boot_mask(net_boot); | |
5830 | ||
dc72ac14 | 5831 | /* init the bluetooth world */ |
bd3c948d GH |
5832 | if (foreach_device_config(DEV_BT, bt_parse)) |
5833 | exit(1); | |
dc72ac14 | 5834 | |
0824d6fc | 5835 | /* init the memory */ |
94a6b54f PB |
5836 | if (ram_size == 0) |
5837 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
9ae02555 | 5838 | |
26a5f13b FB |
5839 | /* init the dynamic translator */ |
5840 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
5841 | ||
eb852011 | 5842 | bdrv_init_with_whitelist(); |
c4b1fcc0 | 5843 | |
c163b5ca | 5844 | blk_mig_init(); |
5845 | ||
aa40fc9c GH |
5846 | if (default_drive) { |
5847 | /* we always create the cdrom drive, even if no disk is there */ | |
5848 | drive_add(NULL, CDROM_ALIAS); | |
c4b1fcc0 | 5849 | |
aa40fc9c GH |
5850 | /* we always create at least one floppy */ |
5851 | drive_add(NULL, FD_ALIAS, 0); | |
86f55663 | 5852 | |
aa40fc9c GH |
5853 | /* we always create one sd slot, even if no card is in it */ |
5854 | drive_add(NULL, SD_ALIAS); | |
5855 | } | |
9d413d1d | 5856 | |
e4bcb14c | 5857 | /* open the virtual block devices */ |
9dfd7c7a | 5858 | if (snapshot) |
7282a033 GH |
5859 | qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0); |
5860 | if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) | |
9dfd7c7a | 5861 | exit(1); |
3e3d5815 | 5862 | |
2faf58cd | 5863 | vmstate_register(0, &vmstate_timers ,&timers_state); |
c163b5ca | 5864 | register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, |
5865 | ram_load, NULL); | |
8a7ddc38 | 5866 | |
268a362c AL |
5867 | if (nb_numa_nodes > 0) { |
5868 | int i; | |
5869 | ||
5870 | if (nb_numa_nodes > smp_cpus) { | |
5871 | nb_numa_nodes = smp_cpus; | |
5872 | } | |
5873 | ||
5874 | /* If no memory size if given for any node, assume the default case | |
5875 | * and distribute the available memory equally across all nodes | |
5876 | */ | |
5877 | for (i = 0; i < nb_numa_nodes; i++) { | |
5878 | if (node_mem[i] != 0) | |
5879 | break; | |
5880 | } | |
5881 | if (i == nb_numa_nodes) { | |
5882 | uint64_t usedmem = 0; | |
5883 | ||
5884 | /* On Linux, the each node's border has to be 8MB aligned, | |
5885 | * the final node gets the rest. | |
5886 | */ | |
5887 | for (i = 0; i < nb_numa_nodes - 1; i++) { | |
5888 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); | |
5889 | usedmem += node_mem[i]; | |
5890 | } | |
5891 | node_mem[i] = ram_size - usedmem; | |
5892 | } | |
5893 | ||
5894 | for (i = 0; i < nb_numa_nodes; i++) { | |
5895 | if (node_cpumask[i] != 0) | |
5896 | break; | |
5897 | } | |
5898 | /* assigning the VCPUs round-robin is easier to implement, guest OSes | |
5899 | * must cope with this anyway, because there are BIOSes out there in | |
5900 | * real machines which also use this scheme. | |
5901 | */ | |
5902 | if (i == nb_numa_nodes) { | |
5903 | for (i = 0; i < smp_cpus; i++) { | |
5904 | node_cpumask[i % nb_numa_nodes] |= 1 << i; | |
5905 | } | |
5906 | } | |
5907 | } | |
5908 | ||
998bbd74 GH |
5909 | if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) |
5910 | exit(1); | |
6a5e8b0e GH |
5911 | if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) |
5912 | exit(1); | |
aee1b935 GH |
5913 | if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0) |
5914 | exit(1); | |
2796dae0 | 5915 | |
aae9460e PB |
5916 | module_call_init(MODULE_INIT_DEVICE); |
5917 | ||
09aaa160 MA |
5918 | if (watchdog) { |
5919 | i = select_watchdog(watchdog); | |
5920 | if (i > 0) | |
5921 | exit (i == 1 ? 1 : 0); | |
5922 | } | |
5923 | ||
b6b61144 | 5924 | if (machine->compat_props) { |
458fb679 | 5925 | qdev_prop_register_global_list(machine->compat_props); |
b6b61144 | 5926 | } |
d0fef6fb GH |
5927 | qemu_add_globals(); |
5928 | ||
fbe1b595 | 5929 | machine->init(ram_size, boot_devices, |
3023f332 AL |
5930 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
5931 | ||
268a362c | 5932 | |
67b3b71d JQ |
5933 | #ifndef _WIN32 |
5934 | /* must be after terminal init, SDL library changes signal handlers */ | |
5935 | sighandler_setup(); | |
5936 | #endif | |
5937 | ||
268a362c AL |
5938 | for (env = first_cpu; env != NULL; env = env->next_cpu) { |
5939 | for (i = 0; i < nb_numa_nodes; i++) { | |
5940 | if (node_cpumask[i] & (1 << env->cpu_index)) { | |
5941 | env->numa_node = i; | |
5942 | } | |
5943 | } | |
5944 | } | |
5945 | ||
6f338c34 AL |
5946 | current_machine = machine; |
5947 | ||
3023f332 AL |
5948 | /* init USB devices */ |
5949 | if (usb_enabled) { | |
0752706d MA |
5950 | if (foreach_device_config(DEV_USB, usb_parse) < 0) |
5951 | exit(1); | |
3023f332 AL |
5952 | } |
5953 | ||
bd3c948d | 5954 | /* init generic devices */ |
f31d07d1 | 5955 | if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0) |
bd3c948d GH |
5956 | exit(1); |
5957 | ||
8f391ab4 AL |
5958 | if (!display_state) |
5959 | dumb_display_init(); | |
3023f332 AL |
5960 | /* just use the first displaystate for the moment */ |
5961 | ds = display_state; | |
993fbfdb AL |
5962 | |
5963 | if (display_type == DT_DEFAULT) { | |
5964 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) | |
5965 | display_type = DT_SDL; | |
5966 | #else | |
5967 | display_type = DT_VNC; | |
5968 | vnc_display = "localhost:0,to=99"; | |
5969 | show_vnc_port = 1; | |
5970 | #endif | |
5971 | } | |
5972 | ||
5973 | ||
5974 | switch (display_type) { | |
5975 | case DT_NOGRAPHIC: | |
5976 | break; | |
4d3b6f6e | 5977 | #if defined(CONFIG_CURSES) |
993fbfdb AL |
5978 | case DT_CURSES: |
5979 | curses_display_init(ds, full_screen); | |
5980 | break; | |
4d3b6f6e | 5981 | #endif |
5b0753e0 | 5982 | #if defined(CONFIG_SDL) |
993fbfdb AL |
5983 | case DT_SDL: |
5984 | sdl_display_init(ds, full_screen, no_frame); | |
5985 | break; | |
5b0753e0 | 5986 | #elif defined(CONFIG_COCOA) |
993fbfdb AL |
5987 | case DT_SDL: |
5988 | cocoa_display_init(ds, full_screen); | |
5989 | break; | |
313aa567 | 5990 | #endif |
993fbfdb AL |
5991 | case DT_VNC: |
5992 | vnc_display_init(ds); | |
5993 | if (vnc_display_open(ds, vnc_display) < 0) | |
5994 | exit(1); | |
f92f8afe | 5995 | |
993fbfdb AL |
5996 | if (show_vnc_port) { |
5997 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); | |
f92f8afe | 5998 | } |
993fbfdb AL |
5999 | break; |
6000 | default: | |
6001 | break; | |
313aa567 | 6002 | } |
7d957bd8 | 6003 | dpy_resize(ds); |
5b08fc10 | 6004 | |
3023f332 AL |
6005 | dcl = ds->listeners; |
6006 | while (dcl != NULL) { | |
6007 | if (dcl->dpy_refresh != NULL) { | |
6008 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); | |
6009 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); | |
20d8a3ed | 6010 | } |
3023f332 | 6011 | dcl = dcl->next; |
20d8a3ed | 6012 | } |
3023f332 | 6013 | |
993fbfdb | 6014 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { |
9043b62d BS |
6015 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); |
6016 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); | |
6017 | } | |
6018 | ||
2796dae0 AL |
6019 | text_consoles_set_display(display_state); |
6020 | ||
88589343 GH |
6021 | if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) |
6022 | exit(1); | |
82c643ff | 6023 | |
59030a8c AL |
6024 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
6025 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", | |
6026 | gdbstub_dev); | |
6027 | exit(1); | |
45669e00 | 6028 | } |
45669e00 | 6029 | |
3418bd25 GH |
6030 | qdev_machine_creation_done(); |
6031 | ||
45a50b16 GH |
6032 | rom_load_all(); |
6033 | ||
504c2948 | 6034 | qemu_system_reset(); |
05f2401e JQ |
6035 | if (loadvm) { |
6036 | if (load_vmstate(cur_mon, loadvm) < 0) { | |
6037 | autostart = 0; | |
6038 | } | |
6039 | } | |
d63d307f | 6040 | |
2bb8c10c | 6041 | if (incoming) { |
5bb7910a | 6042 | qemu_start_incoming_migration(incoming); |
6b99dadc | 6043 | } else if (autostart) { |
c0f4ce77 | 6044 | vm_start(); |
6b99dadc | 6045 | } |
ffd843bc | 6046 | |
b9e82a59 | 6047 | #ifndef _WIN32 |
71e3ceb8 TS |
6048 | if (daemonize) { |
6049 | uint8_t status = 0; | |
6050 | ssize_t len; | |
71e3ceb8 TS |
6051 | |
6052 | again1: | |
6053 | len = write(fds[1], &status, 1); | |
6054 | if (len == -1 && (errno == EINTR)) | |
6055 | goto again1; | |
6056 | ||
6057 | if (len != 1) | |
6058 | exit(1); | |
6059 | ||
bd54b863 | 6060 | chdir("/"); |
40ff6d7e | 6061 | TFR(fd = qemu_open("/dev/null", O_RDWR)); |
71e3ceb8 TS |
6062 | if (fd == -1) |
6063 | exit(1); | |
0858532e | 6064 | } |
71e3ceb8 | 6065 | |
0858532e AL |
6066 | if (run_as) { |
6067 | pwd = getpwnam(run_as); | |
6068 | if (!pwd) { | |
6069 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); | |
6070 | exit(1); | |
6071 | } | |
6072 | } | |
6073 | ||
6074 | if (chroot_dir) { | |
6075 | if (chroot(chroot_dir) < 0) { | |
6076 | fprintf(stderr, "chroot failed\n"); | |
6077 | exit(1); | |
6078 | } | |
6079 | chdir("/"); | |
6080 | } | |
6081 | ||
6082 | if (run_as) { | |
6083 | if (setgid(pwd->pw_gid) < 0) { | |
6084 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); | |
6085 | exit(1); | |
6086 | } | |
6087 | if (setuid(pwd->pw_uid) < 0) { | |
6088 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); | |
6089 | exit(1); | |
6090 | } | |
6091 | if (setuid(0) != -1) { | |
6092 | fprintf(stderr, "Dropping privileges failed\n"); | |
6093 | exit(1); | |
6094 | } | |
6095 | } | |
0858532e AL |
6096 | |
6097 | if (daemonize) { | |
6098 | dup2(fd, 0); | |
6099 | dup2(fd, 1); | |
6100 | dup2(fd, 2); | |
71e3ceb8 | 6101 | |
0858532e | 6102 | close(fd); |
71e3ceb8 | 6103 | } |
b9e82a59 | 6104 | #endif |
71e3ceb8 | 6105 | |
8a7ddc38 | 6106 | main_loop(); |
40c3bac3 | 6107 | quit_timers(); |
63a01ef8 | 6108 | net_cleanup(); |
b46a8906 | 6109 | |
0824d6fc FB |
6110 | return 0; |
6111 | } |